James bought 5 baseball cards at a garage sale for $0.65 each. he sold them to a collector for $2.25 each. what was his profit?
(1 point)$3.25
$8.00
$11.25
$14.50

10.

what is 0.000750 in scientific notation?
(1 point)75 × 10–4
7.5 × 10–3
7.5 × 10–4
7.5 × 10–5

11.

what is thirty-one over five written as a decimal?
(1 point)1.6
6.1
6.2
6.5

12.

the table below shows the populations of four countries for the year 2006 expressed in scientific notation.

population in 2006

country

population

lebanon 3.90 × 106
mexico 1.08 × 108
peru 2.84 × 107
spain 45.5 × 106

of the countries listed, which one had the largest population in 2006?
(1 point)lebanon
mexico
peru
spain

13.

what is 2.28 × 10–8 in standard form?
(1 point)228,000,000
22,800,000
0.228
0.228

You and three friends will be going out to eat at your favorite restaurant! each of you will order three items of your choice. you will also need to leave a tip. if you split the bill evenly among all four of you, how much will each person need to contribute? locate a menu for your favorite restaurant and pick three items for yourself and each friend. list the restaurant name, items, and prices in a table like the one below. in the column labeled subtotal, determine the cost of each person’s order. the customary tip is 20% of the total bill. in the column labeled tip, calculate the amount of tip each person should leave. in the column labeled total bill, determine the total of each person’s order, including the tip. restaurant name: names item 1 price item 2 price item 3 price subtotal tip total bill your name friend #1 friend #2 friend #3 part 2: questions answer the following questions, showing all work: what is the total cost of the entire bill (all four meals), including tip? write an expression using fractions to show how to determine the amount that each person will pay. then calculate each person's contributions showing all steps in long division. if each person paid an equal amount, who would save the most money? explain your reasoning using at least two complete sentences.

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?

Zroms according to the synthetic division below, which of the following statements are true? check all that apply. 352 -2 6 -12 12 2 4 0 i a. (x-3) is a factor of 2x2 - 2x - 12. b. the number 3 is a root of f(x) = 2x2 - 2x - 12. c. (2x2 - 2x - 12) = (x + 3) = (2x + 4) d. (2x2 - 2x-12) - (x-3) = (2x + 4) e. (x+3) is a factor of 2x2 - 2x - 12. o f. the number -3 is a root of fx) = 2x2 - 2x - 12. previous