Answer:
7x+5y=-3
Step-by-step explanation:
90.4°
Use Law of Cosines to solve:
12² = 9² + 8² - 2(9)(8)Cos X
144 = 81 + 64 - 144Cos X
-1 = -144Cos X
-1/144 = Cos X
Cos^-1 (-1/144) = X
X = 90.39789056°
D
trust me :D
So she rode the Ferris Wheel 4 times. 8/2= 4