Which phrase matches the algebraic expression below?

3 (x + 7) + 10

a. 20

b. 23

c. 50

d. 26

If x = a + bi and y = - a - bi, x + y = 0

Which equation BEST represents the line of best fit for the scatterplot? A) y = 2.5x + 25 Eliminate B) y = - 2.5x + 20 C) y = - 0.05x + 20 D) y = - 0.005x + 22.5

A bag is 14 inches tall, 10 inches wide, and 4 inches deep. Is it large enough to hold Natalie's school books, which have a combined volume of 500 cubic Inches? If so, much space will she have left? If not, how much more space will she need?

A scientist has two solutions, which she has labeled Solution A and Solution B. Each contains salt. She knows that Solution A is 55% salt and Solution B is 80% salt. She wants to obtain 180 ounces of a mixture that is 75% salt.

Use f (x) = 7 and g (x) = x+5 to evaluate (f+g) (3) =

Write the scientific notation in numerals (4.1 x 10 to the second power)

Which of the following statements about closure is false? A. Polynomials are closed under addition. When you add polynomials, the result will always be a polynomial. B. Polynomials are closed under subtraction.

Seven-tenths of a number decreased by thirteen is equal to three-tenths the number increased by 13

Amy spent $48 for shoes. This was $16 less than twice what she spent for a short. Which equation, when solved for x, gives the cost of the shirt? A. 2x-16=48 B. 2x+16=48 C. 2x-48=16 D. 2x+48=16

Spaceship Earth, a major tourist attraction, is a sphere whose radius is approximately 25 m. What is the volume of Spaceship Earth? use 3.14 for pi 16,354.17 m3 523,333.33 m3 65,416.67 m3 2,616.67 m3