Common factors of 20 and 60

Which function has an inverse that is a function? b (x) = x + 3 d (x) = - 9 m (x) = - 7x P (x) = x

What is 4/9 times 1/8

Two similar parallelograms have areas of 18 in2 and 32 in2. Find the ratio of their perimeters.

Which of the following types of credits would best describe credit cards? a. closed and secured b. closed and unsecured c. open and secured d. open and unsecured (its not c by the way)

Solve for x. Your answer must be simplified. 10x<-3

This maybe primary but i don't get it There's a circle with the radius = 3, calculate it's perimeter

Which letter has at least one line of symmetry? J G L A

How many people do you need to switch a lightbulb?

What is the length of the hypotenuse of the right triangle if one side is 16in and one is 7in?

Jason is buying grapes for a picnic. Green grapes cost $2 a pound and red grapes cost $3 a pound. He plans to buy at least 4 pounds of grapes and spend no more than $20.