How do you find the height of an equilateral triangle?

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

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

Write an inequality for this description. - one fourth of the opposite of the difference of five and a number is less than twenty.