What is (3.1 x 10^5) (2.2x10^7) in scientific notation?

Solve this equation using substitution. {4x + y = −2} {4x + 6y = 44}

The number of fish in a lake can be modeled by the exponential regression equation y=14.08 x 2.08^x where x represents the year

For what type of equity loan are you lent a lump sum, which is to be paid within a certain period of time? a. a line of credit b. equity c. a second mortgage d. an amortization