the heights of 200 adults were recorded and divided into two categories which two way frequencey table correctly shows the maringinal frequencies?

What is the product of the radical expression. (7-2square root) (8+2 square root)

Translate the word phrase into a math expression. 15 fewer than the product of 4 and a number. (pls immediately)

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