One side of a triangle is 52 cm shorter than the base. the other side is 56 cm longer than the base. what length of the base will give a perimeter of 166 cm?

Express the following as a function of a single angle, cos(60) cos(-20) - sin(60) sin(-20)

Use the elimination method to solve the systems of equations.choose the correct ordered pair. 7x+4y=39

Janet is rolling a number cube with the numbers one through six she record the numbers after each row if she rolls of keep 48 times how many times should she expect to roll a 4