The vendor of a coffee cart mixes coffee beans that cost $9 per pound with coffee beans that cost $6 per pound. how many pounds of each should be used to make a 75-pound blend that sells for $6.71 per pound?

Given the two similar triangles, how do i find the missing length? if a=4, b=5, and b'=7.5 find a'

The figure shows the front side of a metal desk in the shape of a trapezoid. what is the area of this trapezoid? 10 ft²16 ft²32 ft²61 ft²

72 the length of a side of a triangle is 36. a line parallel to that side divides the triangle into two parts of equal area. find the length of the segment determined by the points of intersection between the line and the other two sides of the triangle.