as shown in the diagram below, a building cast a 72 foot shadow on the ground when the angle of elevation of the sun is 40 degrees , how tall is the building to the nearest foot?

What value of x is in the solution set of 4x – 12 s 16 + 8x?

Which expression is rational? 6. , square root two, square root 14, square root 49

Two rectangular prisms have the same volume. the area of the base of the blue prism is 418 4 1 8 square units. the area of the base of the red prism is one-half that of the blue prism. which statement is true?