Which of these shows 9z + 5 rewritten using the commutative property of addition?

9 + 5z

9 - 5z

5 + 9z

5 - 9z

If the surface area of a cube is 390 sq cm. Which best describes the length of the side of the cube?

How many years does it take to earn a million dollars if you are paid $30 an hour and work 35 hours a week for 50 weeks a year

If 4 (2x-3) = 36 then what is he x equal

Select the correct answer. A group of astronomers observed light coming from a star located a distance of 331,000,000,000,000,000,000,000,000 light-years from Earth. What is this distance expressed in scientific notation?

A hot air balloon begins rising from the ground at 4 meters per second at the same time a parachutists chute opens at a height of 200 meters. the parachutist descends at 6 meters per second.

In a destructive test of product quality, a briefcase manufacturer places each of a simple random sample of the day's production in a viselike device and measures how many pounds it takes to crush the case.

A basket of 40 pairs of pliers at a discount hardware store includes 5 pairs of 6 inch pliers. a second basket contains 20 hammers, including 3 large hammers.

Peter has only quarters and dimes in his coin collection. If he has three times as many quarters as dimes, which is an expression for the number of quarters he has in terms of the number of dimes?

Is the relation a function? why or why not? { (3,-1), (3,0), (-3,4), (3,8) }

Solve 6 11 12 - ( 2 4 16 + 3 2 3 ) .