Write an expression to represent the perimeter of the rectangle: 2/3x+101/3x+5

How are algebraic expressions evaluated using substitution?

Technicians have installed a center pivot, circular irrigator for a farm that covers 25 acres. a.) how long is the irrigation boom (in feet) from the center pivot to its farthest extent? b.) if the irrigation boom makes 4 full revolutions in a day, how many miles does the end of the boom travel in 5 days?

Find all the angles that satisfy the equation cos(θ)=32