Which pair of expressions below are equivalent?

A 7 (2x) and 9x

B 3x + 5x and 15x

C 4 (2x - 6) and 8x - 24

D x + x + x + x and x^{4}

Given the statement "If a line is horizontal, then it has slope equal to zero," what is its contrapositive?

For the demand equation, express the total revenue R as a function of the price p per item q = - 6p + 60 P=

What is 10.74 rounded to the whole number.?

18. If 4 bags of hot cheetos and 3 mango $4.40 and 8 bags of HCs and 1 mango ice how much is each item? ice teas cost tea cost $4.80,

Assume that there is a 55 % rate of disk drive failure in a year. a. If all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with

Josh has a rope that is 43 feet long. He cuts off a piece that is 10 feet long and gives it to his brother. He wants to cut the rest of the rope into pieces measuring exactly 5 feet each. How many pieces can he cut?

Distributive property 3 (-7-8n)

The tax rate as a percent, r, charged on an item can be determined using the formula 100 ( - 1) = r, where c is the final cost of the item and p is the price of the item before tax.

A sea turtle made 460 dives in 12 hours. At this rate, how many dives did the sea turtle make in 3 hours?

The library is having a contest to guess the number of candy pieces of candy in a jar. Johns guess of three times the number of candy pieces in the jar increased by 100 is lower than Keisha's guess of 250 less than twice the number of candy pieces.