To make kool aid, the ratio of cups of water to cups of powder is 8 to 2. If I use 12 cups of water, how many cups of powder do I need

Mrs.renoir has completed the interior portion of a quilt top measuring

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

Write the equations in logarithmic form 9^4=6,561