A music store marks up the instruments it sells by 30%. A. If the store bought a guitar for $45, what will be it’s store price?

B. If the price tag on the 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%?

The weights of players in a basketball league are distributed normally. the distance (d) of each player's weight (w) from the mean of 86 kilograms was computed as follows: d = |w - 86| if d is greater than 7 for approximately 5% of the players, what is the approximate standard deviation of the players' weights? a. 1.75 kilograms b. 3.5 kilograms c. 4.3 kilograms d. 7 kilograms

Which one is true about the hexagons ?

Find the roots of the polynomial function f(x) = x^3 + 2x^2 + x