Which of these is an equation?

A

9x - 7

B

(b + 7) x 3

C

4x + 9 = 45

D

(⅔) x - 3 > c

What expression is equivalent to 7 8/4

Suppose angle A is complementary to angle B, and angle B is supplementary to angle C. If measure of angle A is 21 degree, find measure of angle C.

What is the result when 7 is added to the product of 2 and 3? 20 17 35 13

To meet building codes, a building must have a roof no taller than 96 feet. An architect is designing an office building with an 18 3/4 foot ground floor, and 11 foot 8 inches upper floors (including supports).

5 centimeters wide area of 20cm how long is the piece?

The expression 8 + 2t can be used to find the total cost of admission and t amusement rides at a county fair. Which statement is true? A. The variable t is being added to 2. B. The coefficient in the expression is 2. C.

A salesperson earns a monthly salary of $2000 plus 6% commission on their sales. Their goal is to make at least $3,200 per month. What is the minimum amount of money in sales do they need to meet their goal?

Which of the following is the equation of a line that is perpendicular to 6x+4y=3 A) y=2/3x+5 B) y=3/4x-3/2 C) y=4x-6 D) y=6x-3

What is the simplest form of (-3x^3y^2) (5xy^-1)

What product is equivalent to 25x^2 - 16? a. (5x-4) (5x+4) b. (5x+8) (5x-8) c. (5x-4) (5x-4) d. (5x-8) (5x-8)