Which expression is equivalent to 3x + 3x + 3x

A. 3x to the power of 3

B. 9x

C. 9x to the power of 3

D. 27x

The access code for a car's security system consists of four digits, 0 through 9. Once a digit is used, it cannot be repeated.

Solve using a proportion. Round to the nearest hundredth. A 9-meter flagpole casts a 7-meter shadow. The cell tower next to the flagpole is 16.2 meters tall. How many meters long is the cell tower's shadow?

3. Find the volume of the sphere. (6cm) 36π cm3 12π cm3 288π cm3 864π cm3 4. Find the best approximation of the volume of the sphere. (28cm) 3660 cm3 11,500 cm3 92,000 cm3 6470 cm3

During a storm, why do you see the flash of lightning before you hear the roar of thunder? What would it mean if you saw the flash of lightning and heard the roar of thunder at the same time?

What is the surface area of the following 1. 8 inch by 2 inch by 1 inch 2. 4 inch by 4 inch by 1 inch 3. 4 inch by 2 inch by 2 inch

3 (2x + 4y - 2z) + 7 (x + y - 4z) A) 13x + 5y - 22z B) - x - 19y + 22z C) 13x + 19y - 34z D) - x - 5y + 34z 6)

Using a number line, what is a 12 more than 35

The bull in Ms. Trahan's pasture weighs 0.75 tons. What is the weight of the bull in pounds?

Barbara's goal is to practice piano 20min for every 5min of lesson she takes a 20min lesson this week how many?

What is x/25=10 what would the answer to x be