7) Use proportions to solve the problem. Hint: a proportion is a fraction set equal to another fraction. The weight of a snake is directly proportional to its length. If a 4-foot snake weighs 2.5 lbs, how much would a 5-foot snake weigh?

A. 3.125lbs
B. 1/2Ibs
C.2lbs

1. there are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. the first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%. the line plot shows the differences after 10 rerandomizations. determine whether the difference in the means of the two groups is significant based on the line plot. explain your answer.

Mat bought a phone for $100. he has to pay $30 per mouth. if he has paid $640 in total, how many mouth has he had the phone?

Line wx is parallel to line yz. if m