Fiona bought some socks that cost $4. 95 for each pair and some belts that cost $6. 55 each. Fiona spent $27. 95 in all. Let a represent the number of pairs of socks purchased and b the number of belts purchased. Which equation models the situation? a plus b equals 11. 50 a plus b equals 27. 95 4. 95 a plus 6. 55 b equals 27. 95 6. 55 a plus 4. 95 b equals 27. 95.

Amodel rocket is launched from a roof into a large field. the path of the rocket can be modeled by the equation y = -0.04x^2 + 8.6x + 4.8, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of the rocket above the ground. how far horizontally from its starting point will the rocket land? a. 0.56 m b. 215.56 m c. 431.11 m d. 215.74 m