The trapezoid below is formed from two triangles and a rectangle. What is the area of the trapezoid? 9 cm
3 cm
6 cm
3 cm
A 81 cm 2
B 54 cm2
C 108 cm2
D 67.5 cm 2

Which is the correct excel formula for the 80th percentile of a distribution that is n(475, 33)? =norm.dist(80,475,33,1) =norm.inv(0.80,475,33) =norm.s.inv((80-475)/33)?

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.

Barney & noblet customers can choose to purchase a membership for $25 per year members receive 10% off all store purchases 1. how much would a member pay per year if he bought $50 worth of items each year? 2. write a slope-intercept equation that expresses how much a member pays per year using x to represent his purchases per year 3. how much would a member have to spend per year to pay off his membership fee?