The length of the base of a square pyramid is 15 inches. The slant height is 10 inches. What is the surface area of the pyramid? A) 315 in2 B) 400 in2 C) 525 in2 D) 555 in2

Given: and prove: what is the missing reason in the proof? given transitive property alternate interior angles theorem converse alternate interior angles theorem

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?

Tom can paint the fence in 12 hours, but if he works together with a friend they can finish the job in 8 hours. how long would it take for his friend to paint this fence alone?