9+ (- 3/4+1.25)-6 you need to evaluate the solution

Combine like terms7y^2 + 7(6y^2 − 8)

About 400,000 people visited an art museum in december. what could be the exact number of people who visited the art museum?

Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x