Which expression is equal to the expression below? (7 2)7 a. 7 7 27 b. 7 7 + 27 c. 9 7 d. 7 (7 2)

Which quadratic function best fits this data? x y 1 32 2 78 3 178 4 326 5 390 6 337 a. y=11.41x2+154.42x−143.9 b. y=−11.41x2+154.42x−143.9 c. y=11.41x2+154.42x+143.9 d. y=−11.41x2+154.42x+143.9

Precalculus question, image attached.

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25