765 millimeters of rain fell in 45 minutes. What is the unit rate for millimeters per minute?

Amuffin recipe, which yields 12 muffins, calls for cup of milk for every 1 cups of flour. the same recipe calls for cup of coconut for every cup of chopped apple. to yield a batch of 30 muffins, how much flour will be needed in the mix?

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

What is the value of m in the equation 1/2 m - 3/4n=16 when n=8