Oscar purchased two hamburgers for 6.75 each and two milkshakes for 5.40 each including sales tax. After paying, he received 0.70 back. How much money did Oscar give the sales clerk

Given: △abc, ab=15, bd=9 ad ⊥ bc , m∠c=30°. find: the perimeter of the triangle.

Which expression is equivalent to 2x^2+7x+4?

The clayton family’s pool has vertices at the coordinates (0, 2), (0, 5), (2, 5), (2, 6), (5, 6), (5, 1), (2, 1), and (2, 2). if each grid square has an area of 9 square feet, what is the area of the pool?