Astar wars helmet is originally priced at $60. target is now selling it at a discount for $45. find the percent discount for the cost of the star wars helmet.

The chs baseball team was on the field and the batter popped the ball up. the equation b(t)=80t-16•16+3.5 represents the height of the ball above the ground in feet as a function of time in seconds. how long will the catcher have to get in position to catch the ball before it hits the ground? round to the nearest second

Complete the solution of the equation. find the value of y when x equals -5. -4x - 8y = -52

Which statement is true about a number and its additive inverse? a. their product is always one. b. their sum is always one. c. they are always reciprocals of each other. d. their sum is always zero.