the formula for a trapezoid relates the area a, the two bases, a and b, and the height, h.

a=12h(a+b)

solve for h.

a. h=a+b2a

b h=2aa+b

c h=a2(a+b)

d h=2(a+b)a

Find the required measurements of the following trapezoids. a = 8 cm b = 16 cm h = 10 cm

Delbert keeps track of total of the total number of points he earns on homework assignments, each of which is worth 60 points. at the end of the semester he has 810 points. write an equation for delbert’s average homework score a in terms of the number of assignments n.

The function f(x)= -(x+5)(x+1) is down. what is the range of the function?