Andy estimated that he would need 79 feet of lumber for a tree house project. he later found that the actual amount of lumber needed was 68 feet. what was the percent error of andy's estimation?

Aline has a slope of . which ordered pairs could be points on a parallel line? check all that apply. (-8, 8) and (2, 2) (-5, -1) and (0, 2) (-3, 6) and (6, -9) (-2, 1) and (3,-2) (0, 2) and (5,5)

What are the domain and range of f(x)= -log5(x+2)

From a group of 10 men and 8 women, 5 people are to be selected for a committee so that at least 4 men are on the committee. howmany ways can it be done?