PLEASE HELP ITS ALMOST LATE

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits

Using only odd number for numerators write two different subtraction problems that have a difference of 3/4

Simplify (8x2 − 1 + 2x3) − (7x3 − 3x2 + 1). −5x3 + 11x2 − 2 5x3 − 11x2 + 2 x3 + 2x2 + x3 x3 − 2x2 − x3