A cookie recipe calls for four times as much sugar as vanilla. Which of the following shows how the amount of sugar, y, changes as the amount of vanilla, x, changes? (NEED HELP ASAP)

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

What properties allow transformation to be used as a problem solving tool

Which number line correctly shows 0.8 + 0.3?