Simplify the expression (3 + 7i) (3 - 7i).

A. 40

B. 58

C. 9 - 21i

D. 9 + 21i

24 of 36. I'm doing fractions as percentages.

A parking lat space is in the shape of a rectangle. If the space has a length of 23 feet and a width of 12 feet, what area of the parking space? A. 128 ft2 B. 266 ft2 C. 276 ft2 D.

Bradley cut a square hole out of a block of wood in wood shop. If the block was cube-shaped with side lengths of 9 inches, and the hole had side lengths of 3 inches, how much wood was left after the hole was cut out?

Which of the following is NOT a characteristic of an inner planet? A. rocky B. solid surface C. near the sun D. made mostly of gas

Determine f (x-1) f (x) = √x+6-8

Last month, Korey's Comics had a gross profit of $2,385 with a monthly revenue of $3,465. Korey expects similar sales this month, but he would like to build up his in-store browsing selection, and purchases an additional assortment of comic books

There was a plate of cookies on the table. Amanda was hungry because she hadn't had breakfast, so she ate half the cookies. Then Beth came along and noticed the cookies. She thought they looked good, so she ate a third of what was left on the plate.

If sales tax is 5%, what is the sales tax on an item costing $65?

You pick a card at random. 2 3 4 5 What is P (5) ? 1% 25% 41% 11%

How do you turn 3.0035 into a fraction