Which of the following is equivalent to the expression below? 8^11•8^x
A. 8^x-11
B. 8^11x
C. 8^11+x
D. 8^11-x

What is the approximate circumference of the circle shown below?

What is the correlation coefficient between the variables? round to three decimal places. enter your answer in the box

A3-dimensional figure has a square base and 4 lateral faces that meet at a point. explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex