The amount of an 18% tip can be found by multiplying the bill by 0.18. which of the following equations could be used to find the amount of a bill that has a tip of $9.72?

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 value of x is in the solution set of 4x – 12 s 16 + 8x?

Which geometric principle is used to justify the construction below?