HELP! Use the information above and the trigonometric identities to prove that A sin (ωt+φ) = c2 sin ωt + c1 cos ωt

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?

Mariah is randomly choosing three books to read from the following: 5 mysteries, 7 biographies, and 8 science fiction novels. which of these statements are true? check all that apply. there are 20c3 possible ways to choose three books to read. there are 5c3 possible ways to choose three mysteries to read. there are 15c3 possible ways to choose three books that are not all mysteries. the probability that mariah will choose 3 mysteries can be expressed as . the probability that mariah will not choose all mysteries can be expressed as 1 −