X - 2y = 1 and y = -1. Find (4^x)^y.

The volume of the sun is approximately 1 × 10^18 cu km, while the volume of jupiter is approximately 1 × 10^15 cu km. which of the following is true? a. the volume of jupiter is approximately one thousand times the volume of the sun. b. the volume of jupiter is approximately one hundred times the volume of the sun. c. the volume of the sun is approximately one thousand times the volume of jupiter. d. the volume of the sun is approximately one hundred times the volume of jupiter.

Sara made $253 for 11 hours of work. at the same rate how much would he make for 7 hours of work?

Yvaries inversely as x. y =12 when x=5. find y when x=4