Mindy and Troy ate 9 pieces of cake. Mindy ate 3 pieces of cake Troy had 1/4 of the total cake. What is the equation and answer

Twenty-five percent of the customers entering a grocery store between 5 p.m. and 7 p.m. use an express checkout. consider five randomly selected customers, and let x denote the number among the five who use the express checkout.

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?

Find the maximum value of p= 4x + 5y subject to the following constraints :