A ball is rolling down a slope and continuously picks up speed. Suppose the function f(x)= 1.2(1.11)^x describes the speed of the ball in inches per minute. How fast will the be rolling in 20 minutes? Round answer to the nearest whole number.

Question 6 (10 points) ✓ saved what is the center of a circle described by the equation x2 + y2 +10y = -16? . (0,-5) (0,5) (-5,0) (5,0)

Mr and mrs smith buy tickets for themselves and their four children. the cost of an adult ticket is ? 6 more than the adult ticket. the total cost of the six tickets is ? 40.50 work out the cost of an adult ticket. in your working let c be the cost of the child ticket and a be the cost of the adult ticket.

The length of a rectangle plus its width is 24 cm. the area is 143 square cm. what are the length and width of the rectangle?