Module 8 DBA: What does a two-dimensional cross-section of three-dimensional object look like and how is that related to Cavalieri's Principle?

What is the area of the trapezoid shown ?

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

The following graph shows the consumer price index (cpi) for a fictional country from 1970 to 1980? a.) 1976 - 1978b.) 1972 - 1974c.) 1974 - 1976d.) 1978 - 1980