If 2 lemons are needed to make 5 glasses of lemonade, then how many lemons, l, are needed to make 45 glasses of lemonade?

What is the perimeter of an equilateral triangle if each side is (x+3)?

Joyce deposited $5000 in an account with an annual interest rate of 6%, compounded annually. how much money will be in the account 10 years later

Suppose medical records indicate that the length of newborn babies (in inches) is normally distributed with a mean of 20 and a standard deviation of 2.6. find the probability that a given infant is between 14.8 and 25.2 inches long.