What is the length of a rectangle with a width of 4 centimeters and a perimeter of 28 centimeters?

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

Problem melissa is her dad build a walkway in their backyard. the walkway will be 54 feet long and 1.5 feet wide. the local hardware store sells tiles which are 1.5 by 1.5 feet and come in boxes of 12. how many boxes of tiles do they need?

What is always true about a positive integer raised to a negative odd power?