Which of the following expressions are equivalent to - 3.5 (2 - 3n) - 2.5n?

A. - 7 - 8n

B. - 7 + 8n

C. - 7 - 13n

D. - 7 - n (10.5 - 2.5)

If nx+7=8 while kx-7=10 what is the value of n/k

Randy had grades of 85, 92, 96, and 89 on his last four math tests. What grade does he need on his next test to have an average of 92?

Miguel is moving and wants to estimate what his electricity bill will be in his new apartment. He looks at old bills and sees that he uses around 700 kWh of electricity each month. The utility company charges $6 each month plus 6.

Solve the equation x3 = 8 A. 2 B. 2.7 C. 24 D. 512

Graph the system by using technology. What is the x-coordinate of the solution? y = 4x + 9 y = - 1.8x Question 6 options: - 2.35 - 5.02 - 1.55 1.55

What is the scientific notation for 72.4

If f (x) = 2x and g (x) = x^2-1 which statement is true? A. (f*g) (x) = 2x^2 - 1 B. (f*g) (x) = 2x (x^2-1) C. (g*f) (x) = 4x-1 D. (g*f) (x) = 4x^2-1

This morning they made a total of 52 bagels. They made two more cinnamon-raisin than strawberry. The number of blueberry is 9 more than the number of cinnamon-raisin. How many of each flavor did they make?

Put in order from greatest to least: 0.6, 71%, 5/6, 56%.

What is the least common multiple of 27, 12, and 36