Work out the surface area of this sphere.
Give your answer to 1 decimal place.

If you are trying to move an attached term across the equal sign (=), what operation would you use to move it?

The vertex of this parabola is at (-2,-3). when the x-value is -1, the y-value is -5. what is the coefficient of the squared expression in the parabola's equation?

Complete the statements about the two cones. the volumes of the cones are equal when . if a > b, then the cross-sectional area of cone a is the cross-sectional area of cone b at every level parallel to their respective bases.