If p, q, and r are all odd primes, which of the following might also be a prime?

(a) p^2-q^2+1

(b) pqr+3

(c) (p+2) (r+2) + 1

Simplify the following expression. 11 - X 7

What words that match with the expression 36 (2x3) ?

Micah read 16 pages of his book. if this is 10% of his book how many pages are in the book?

Rectangle 1 and Rectangle 2 are similar. Rectangle 2 is three times as long as Rectangle 1. If Rectangle 2 is 18 inches wide, how wide is Rectangle 1? 3 inches 6 inches 9 inches 54 inches

David printed 24 photos on 8 minutes. How many photos did he print per minute

Three cards are taken, one after the other and without replacement, from a standard deck of 52 card. Find the probability that the first and third card are red?

A parallelogram has an area of 224 square centimeters and a base length of 16 centimeters. What is the height of the parallelogram? A. 12 centimeters B. 28 centimeters C. 16 centimeters D. 14 centimeters

What two numbers multiply to get 100 and add to 29

Shira packs 170 lemon bars in boxes for the bake sale. Each box holds 8 lemon bars. She takes home the lemon bars tha are leg over after she has filled as many boxes as possible.

What is 412, 825 round to the nearest ten?