The area of the green square is 9 ft. The area of the red square is 16 ft^2 ? What is the length of side c?
A) 5 ft
B) 25 ft
C) 81 ft
D) 128 ft

Find the area of the triangle shown 3 by 6

An automobile assembly line operation has a scheduled mean completion time, μ, of 12 minutes. the standard deviation of completion times is 1.6 minutes. it is claimed that, under new management, the mean completion time has decreased. to test this claim, a random sample of 33 completion times under new management was taken. the sample had a mean of 11.2 minutes. assume that the population is normally distributed. can we support, at the 0.05 level of significance, the claim that the mean completion time has decreased under new management? assume that the standard deviation of completion times has not changed.

Reagan lives five miles farther from school than vanessa lives. write an expression to describe how far reagan lives from school