Carlo recycles 8 glass bottles every week. which expression shows the total number of glass bottles he recycles in w weeks?

8 + w
8 + 8w
8w
w over 8
question 3(multiple choice worth 1 points)
(07.03 lc)

what is the solution to the equation x + 9.5 = 27.5?

x = 2.9
x = 18
x = 20
x = 37
question 4 (fill-in-the-blank worth 1 points)
(07.04 lc)

if 9x = 63, then x = (only input whole number)

numerical answers expected!

answer for blank 1:

question 5(multiple choice worth 1 points)
(07.04 mc)

what is the solution to the equation 1 over 21 multiplied by x is equal to 1 over 7?

x = 3
x = 14
x = 28
x = 147
question 6(multiple choice worth 1 points)
(07.02 mc)

which expression represents the value, in dollars, of a certain number of quarters, q, and nickels, n?

0.30qn
0.30q + n
0.25q + 0.05n
0.05q + 0.25n
question 7(multiple choice worth 1 points)
(07.06 mc)

a group of students must collect at least $120 to organize a science fair. they have already collected $30. which graph best represents all remaining amounts of money, in dollars, that the students should still collect to organize the science fair?

number line graph with closed circle on 120 and shading to the right
number line graph with closed circle on 90 and shading to the right.
number line graph with closed circle on 150 and shading to the right
number line graph with closed circle on 30 and shading to the right.
question 8(multiple choice worth 1 points)
(07.08 mc)

a store sold 60 copies of a magazine for $240. each copy of the magazine costs the same. which equation and set of ordered pairs best represents the price, in dollars, of a certain number of copies of the magazine?

y = 3x; (1, 3), (2, 6), (3, 9)
y = 4x; (1, 4), (2, 8), (3, 12)
y = 5x; (1, 5), (2, 10), (3, 15)
y = 6x; (1, 6), (2, 12), (3, 18)
question 9(multiple choice worth 1 points)
(07.03 mc)

aura has $71 to spend. she buys grocery for $27.58 and a wallet for $26.13. aura buys a pair of bangles with the remaining money. how much does aura spend buying a pair of bangles?

$17.29
$43.42
$44.87
$53.71
question 10(multiple choice worth 1 points)
(07.01 mc)

minni has to buy stickers, erasers, and a pencil. she can only spend $4. a sticker costs $0.35, an eraser costs $0.99, and a pencil costs $0.59. can minni buy 2 stickers and 2 erasers?

[use the inequality 0.35x + 0.99y + 0.59 ≤ 4]

yes, because the total will be $3.27
yes, because the total will be $1.93
no, because the total will be $4.27
no, because the total will be $5.93