5^-8 x 5^4 what is the answer to this equation?

Arectangle with an area of 47 m² is dilated by a factor of 7. what is the area of the dilated rectangle? enter your answer in the box. do not leave your answer as a fraction.

Credit card a offers an introductory apr of 3.4% for the first three months and standard apr of 15.7% thereafter,

What is the solution to this system of equations? y= 2x - 3.5 x - 2y = -14