Compare and contrast finding the volume of a rectangular prism and a triangular prism

What is the value of 1/3× + 7x, when x =5

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?