What is most likely true about the population of 250 grandparents

Arectangular exercise mat has a perimeter of 36 feet the length of the mat is twich the width writeand solve an equation to determine the length in feet. of the mat then find the area in square feet of the mart

Solve the system of equations. y= 2x y= x^2 - 15

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.