Estimate to find the quotient of 828 ÷ 23. then, find the exact quotient and use multiplication to check your answer.

Match each expression with its simplified form.

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field

Find the amplitude of a sinusoidal function that models this temperature variation