If the standard deviation for a data set is equal to 9, then the variance for that data set is equal

The cross-sectional areas of a right triangular prism and a right cylinder are congruent. the right triangular prism has a height of 6 units, and the right cylinder has a height of 6 units. which conclusion can be made from the given information? the volume of the triangular prism is half the volume of the cylinder. the volume of the triangular prism is twice the volume of the cylinder. the volume of the triangular prism is equal to the volume of the cylinder. the volume of the triangular prism is not equal to the volume of the cylinder.

Complete the solution of the equation. find the value of y when x equals -5. -4x - 8y = -52

What is the slope of the line shown below?