New freinds? if tommy has 208 apples and gave away 4 how many does he have?

The variable z is directly proportional to x, and inversely proportional to y. when x is 4 and y is 13, z has the value 1.2307692307692. what is the value of z when x= 9, and y= 20

Factor completely. 4p^2 + 36p + 81 express the answer in the form (ap + b)^2

How much orange juice do you need to make 2 servings of lemony orange slush?