What is the volume of the pyramid?

a) 144 ft^3

b) 1296 ft^3

c) 198 ft^3

d) 432 ft^3

Find the area of a trapezoid with bases 14 cm and 18 cm and height 10 cm. 160 cm2 140 cm2 180 cm2 126 cm2

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

Is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis.