Please help kind sir

What is the area of this figure?

Enter your answer in the box.

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

Molly shared a spool of ribbon with 12 people. each person received 3 feet of ribbon. which equation can she use to find r, the number of feet of ribbon that her spool originally had?

The graph of y x3 is translated so that the point (1. 1) is moved to (1, 4). what is the equation of the new graph?