Imagine you are painting a series of towers built from cubes. You are going to paint only the exposed faces of the tower. Which of the following describes how you might paint a four-story tower?

Two blends of tea are mixed to make a blend that will be sold at the fair. black tea sells for $2.20 per pound and orange pekoe tea sells for $3.00 per pound. how much of each should be used to obtain a 4lb blend selling for $2.50 per pound?

Find the difference (8ab+a+2) - (3ab+6)

Witch represents the inverse of the function f(x)=1/4x-12