Minh and Mikayla are selling wrapping paper for a school fund-raiser . Customers can buy
either packages of folded paper or rolls of paper. Minh sold 6 rolls of paper and 2 packages of
folded paper for a total of $44. Mikayla sold 3 rolls of paper and 9 packages of folded paper
for a total of $54. How much does each roll cost? How much does each package of folded
paper cost?

Students buying lunch at rockwell elementary school yesterday chose either burritos or pizza. 185 students chose burritos and 252 chose pizza. 1. estimate the number of students who brought lunch by rounding each number to the nearest hundred. 2. estimate how many students bought lunch by rounding each number to the nearest ten. 3. find the total number of students who brought lunch. which of your estimates is closer to the actual total? explain. 4. draw a figure on a sheet of paper. estimate how many pennies will fit inside the figure. check your prediction using pennies.

Which equation is graphed here? a) y = -3x + 3 b) y = -3x - 3 c) y = -1 3 x +3 d) y = -1 3 x -3

Assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq less than 132. the probability that a randomly selected adult has an iq less than 132 is?