Tell me the answer and steps

(One of my brothers don’t explain well)

Is the ordered pair (-10, 7) a solution to the equation y = 17 – x? yes or no

Michael gose to a theme park and rides two different roller coasters that both begin on a raised platform his height while on the first roller coaster measured in feet from the platform height can be modeled by the following graph where t is the number of seconds since the ride began

Me. brady is putting trim around the edge of circular merry-go-round that has diameter of 15 feet. how much trim does he need to buy to the nearest tenth