Marcus painted 1/3 of his bedroom in 4/5 of an hour . at this rate how long would it take him the paint the entire room? ?
choices
a- 5/12
b- 12-5
c- 15/4
d - 4/15

The parking lot of a store has the shape shown. all angles are right angles. what is the area of the parking lot?

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.

Enter your answer and show all the steps that you use to solve this problem in the space provided. write a list of steps that are needed to find the measure of ? b .