What is the equation of this line?

A. y=1/2x−3
B. y=−1/2x−3
C. y=−2x−3
D. y=2x−3

If the tip varies directly with the number of guest which equation represents between the tip,t, and the number of guest,g?

Find the difference in area between the circle and the triangle. click on the answer until the correct answer is showing.possible answers: a = 4 pi - 8a = 9 pi - 9/2 √3a = 16/3 pia = 16a = 27 pi

1. a music store marks up the instruments it sells by 30%. a. if the store bought a guitar for $45, what will be its store price? b. if the price tag on a trumpet says $104, how much did the store pay for it? c. if the store paid $75 for a clarinet and sold it for $100, did the store mark up the price by 30%?