7. Simplify: - 8y - (x - 4x) + 3y

a. 7x + 2y

b. - 7X - 7y

c. - 3x - 5y

d. 3x - 5y

Which pairs of angles in the figure below are vertical angles

A box is 20 cm long. Which of these is closest to the length of this box in feet? (1 inch = 2.54 cm)

Over the summer, for every 14 okra seeds Dana planted, 9 grew into plants. If he planted 210 okra seeds, how many grew into plants?

Consider a random variable Y. What is the difference between the sample average and the population mean?

What is fraction that is less than 5/6 and has a denomination of 8

What r three rectangles with an area of 300 square feet?

Write the following sentence as an equation. The quotient of 120 and twice 20 is equal to 3.

The XYZ company is seeing it's worth declining at a rate of 3.2% per year. If the current worth is 2,300,000, what will the value be in 5 years? A.) about $1,954,810 B.) about$2,692,318 C.) about $1,932,000 D.) about $1,951,836

Suppose you take a random sample from a normal population and you want to determine whether there is sufficient statistical evidence to claim that the population variance differs from a corresponding variance specified in a government contract.

What is the slope of the line represented by the equation y= x+ ? o -~ o | o -|- o -|