DUE IN 30 MINUTES PLEASE HELP! Use the law of cosines to find the measure of angle E. Round your answer to the nearest tenth.

Amonument at a park is in the shape of a right square pyramid. a diagram of the pyramid and its net are shown. what is the surface area of the monument? enter the answer in the box. m²

The radical equation 2+√2x-3 = √x+7 has a solution set [x= a0} and an extraneous root x = a1.

8000 + 8800 + 8000 + 8 million + 80 trillion + another a katrillion equals