Let M be the region in the first quadrant bounded above by the graph of y = 3x and below by the graph of y = x? Which of the following gives the volume of the solid generated when region M is revolved about the vertical line r = -3?

Imogene invested $8,000 in a bank account that pays 8 percent simple interest at the end of each year. her friend invested the same amount in stocks where the growth of the investment is represented as 2,000 times the square root of 2 less than the time lapsed in years. if y1 and y2 represent the amount earned in dollars and t is the time lapsed in years, which system of equations correctly represents the situation?

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

Does the point (1, sqrt 7) lie on circle shown.