Suppose you have just enough money, in coins, to pay for a loaf of bread priced at $1.95. you have 12 coins, all quarters, and dimes. let q equal the number of quarters and d equal the number of dimes. which system models the given information? a. 10q+25d=12q+d=1.95 10 q 25 d equals 12 q d equals 1.95 b. q+d=12q+d=1.95 q d equals 12 q d equals 1.95 c. q+d=1225q+10d=195 q d equals 12 25 q 10 d equals 195

Write the summation to estimate the area under the curve y = 1 + x2 from x = -1 to x = 2 using 3 rectangles and right endpoints

Varies inversely with x. if y=8.5 when x=-1 find x when y=-1

Module 2 homework: descriptive statistics 40206 module 2: homework 56 randomly selected students were asked how many siblings were in their family. let x represent the number of pairs of siblings in the student's family. the results are as follows: # of siblings 1 2. 4 10 frequency 13 6 10 10 round all yeur answers to 4 decimal places where possible. the mean is: the median is the sample standard deviation is the first quartile is the third quartile is: what percent of the respondents have at least 3 siblings? % 83% of all respondents have fewer than how many siblings?