15 acres decreased by 80%

Find the new amount

Add the polynomials: 6a - 4b+cand 4a + 4b+c

What is the degree of each monomial? 7m6n5

A map of your town has a scale of 1 inch to 0.25 mile. There are two roads that are 5 inches apart on the map. What is the actual distance between them

The length of a rectangular garden is 6 feet less than 3 times its width. The area is 360 square feet. What is the length of the garden?

What's the greatest common factor of 56 and 21?

Felipe Vasquez bought some 14₵ stamps and the same number of 22₵ stamps. He paid a total of $1.80 for all the stamps. How many of each kind did he buy?

What it 87^4*10^9 divided by 7

8/10x 1 3/5 = ? would be what?

Caroline measured the weight of a dog that came into the veterinary clinic. She determined that her measurement had a margin of error of 0.05 kilogram. What could be the measured weight of the dog?

Inspect the number line which square roots have a difference of about 0.5?