Alexa is making a recipe that requires 1 cup of water and 4 cups of flour. which of the following combinations shows the same ratio to water to flour
a. 2 cups of water to 3 cups of flour
b. 2 cups of water to 4 cups of flour
c. 2 cups of water to 8 cups of flour
d. 3 cups of water to 6 cups of flour

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

Three times the sum of a number and seven is negative thirty-six. what is the number?

The table below shows the number of free throw shots attempted and the number of shots made for the five starting players on the basketball team during practice. each player's goal is to make 80% of her shots.