There are 4 aces and 4 kings in a standard deck of playing cards. you pick one random card at random. what is the probability of selecting an ace or king?

Consider the graph of the exponential function y=3(2)×

Agroup of students want to create a garden. they do not know the exact measurements but they propose using a variable to represent the length and width of the garden. the length of the garden is 10 feet longer than double the width. use a single variable to write algebraic expressions for both the length and width of the garden. write an algebraic expression for the area of the garden. use mathematical terms to describe this expression.

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?