Write an equation to represent the amount of water in the bucket, y, in terms of the number of minutes, x, since the faucet was turned on

Which sum or difference identity would you use to verify that cos (180° - ∅) = -cos ∅? a. sin (α -β) = sin α cos β – cos α sin β b. cos (α -β) = cos α cos β – sin α sin β c. cos (α -β) = cos α cos β + sin α sin β d. sin (α + β) = sin α cos β + cos α sin β

It says factor each expression 49x-28?

Typically a point in a three dimensional cartesian coordinate system is represented by which of the following answers in the picture !