The pyramid shown has a square base that is 12 centimeters on each side. the slant height is 18 centimeters. what is the surface area of the pyramid?

Sadie computes the perimeter of a rectangle by adding the length, l, and width, w, and doubling this sum. eric computes the perimeter of a rectangle by doubling the length, l, doubling the width, w, and adding the doubled amounts. write an equation for sadie’s way of calculating the

Find the zeros of the function. write the smaller solution first, and the larger solution second f(x)= (x+6)^2-49

Ahiker stands at an unknown elevation before he ascends 2 miles up a mountain to an elevation of 9 miles. find the elevation of the hiker before his ascent.