Find mEHFˆ. The image shows a circle with one tangent and chord connected to for angle x degrees. The big arc is 195 degrees, the little arc is 8x+17 degrees.

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

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny