Prove whether or not 169 is a perfect square.

The dimensions of a room are 20 ft by 18 ft, respectively. Find the length across the diagonal of the room.

A factory worker in Cambodian makes 320,000 Cambodian riels per month. If 1 U. S. dollar equals 4000 Cambodian riels, how much does the factory worker make in U. S. in dollars per year?

Which expression has the same value as - 3/4 - (2-3/8) + 3/2

How do you distribute this (7f5 + 13j4) • 9f4

3x (*-4) - 5 (x+2) = 2 - (x+24)

An item is regularly priced $75. Ali bought it at a discount of 60% off the regular price. How much did Ali pay?

Sheila is graphing to the rule y=3x. Which of the following best describes the rule?

Is the GCF of two even numbers 2

R1 = (a, b.∈ r2, the "greater than" relation, r2 = a ≥ b, the "greater than or equal to" relation, r3 = (a, b.∈ r2, the "less than" relation, r4 = a ≤ b, the "less than or equal to" relation, r5 = a = b, the "equal to" relation, r6 = (a, b.

What is 7/8 minus 1/4