If the unit selling price is 250 and the unit cost is $1 what action is needed to maintain the gross margin percentage when unit cost increases by $0.25

The graph below shows the height of a projectile t seconds after it is launched. if acceleration due to gravity is -16 ft/s2, which equation models the height of the projectile correctly?

Triangle knm is what is true about the sides of knm

The sum of 5consecutive even numbers is 100. what is the first number in this sequence?