30% of what number is 21

6-7 (a+1) = -3 (2-a) what does a equal

Rosalie wants to get the entire outside of a cabinet laminated. The cabinet is 3 feet long, 2 feet wide and 5 feet high. The cost of lamination is $2 per square foot. How much will it cost Rosalie to get the cabinet laminated?

The sum of the angle measures of a polygon with n sides is 1440. find n

Is his work correct f (x) = -8x+4 Y=-8x+4 Y-4=-8x X = (y-4) / -8 f^-1 (x) = (y-4) / -8

The area of a rectangle is 96 square feet. The ratio of the width to the length is 2:3. The width of the rectangle is how many feet?

A downhill skier is traveling at a rate of 0.5 mile per minute. how far will the skier travel in 18 minutes?

What is the highest factor of 15 and 20

Three families bought 7 pounds of oranges back from vacation in Florida to share. How many pounds of oranges did each family get

Krissy has 3 arrows. the probability of her hitting the target is 2/5. what is the probability that she will get at least on arrow on the target?

What is a non-example of Volume?