A survey of 2100 students found 65% prefer having gym class during the last period of the day What is the margin of error

Complete the solution of the equation. find the value of y when x equals to 1 9x-5y=29

Find the solution(s) to the system of equations. select all that apply y=x^2-1 y=2x-2

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm