What does y^2 mean?

Victor has 40 kg of pinto beans which cost $0.69 per kilogram. How many kilograms of kidney beans at $0.89 per kilogram should be added for the complete mixture to have a value of $0.81?

Solve the equation 2 cos (x) + 1 = 0 2 cos x + 1 = 0, 0 ≤ x ≤ 2 π 0 ≤ x ≤ 2 π. Show all of your work

A rectangle has length 5x and width x. Write and simplify an expression for the perimeter of the rectangle.

a person hour is a unit of measure representing one person working for one hour. A construction foreman estimates it will take 2880 person-hours to build a new library.

A community service group organizes a car wash that raise 7c - 18 dollars and a spaghetti dinner that raise 6s - 45 dollars which equation below represents the total amount of money raised

It takes 48 minutes for 7 people to paint 7 walls. How many minutes does it take 20 people to paint 20 walls?

A contractor has 26 bags of concrete weighing 600 pounds. How much will 12 bags of concrete weigh?

Lincoln wants the monthly payment for a $150,030 fixed mortgage to be $660 but his credit score is 650. What percent does Lincoln credit score need to increase to make his monthly payment 660

127.90 in expanded form

8,100 divided by 9 = 90. Yes or No?