Simplify the expression. 3x2 + 2x (x + 5) + 3 (5 - x)

Question 4 Simplify the expression below 88/4+7X (3+6) * O A 85 B 72 C 261 D 38

Which of the following is an undefined term in Euclidean geometry? A. Pythagorean theorem B. pyramid C. rectangle D. line E. square

Leah is 2 less than 3 times Rachel's age. 3 years from now, Leah will be 7 more than twice Rachel's age. How old will Rachel be in 3 years from now?

Fin the area of a rectangle whose side lengths are 4x^2 and 6x^2_3x

In geometry vertical angles are congruent, meaning they have the same degree measure. You see these when two straight lines form and X shape. Angles that are opposite one another are called vertical angles.

What is the perimeter? 2 (4x-3) 2x+12 (square)

What is the range of the following numbers? 12, 20, 18, 25, 6

Explain how you would use mental math to express 16/25 as a percent?

Each side of a square is lengthened by 2 inches. the area of the new, larger square is 121 square inches. find the length of a side of the original square.

Decompose into partial fractions: 12/x^2-9