On Saturday, Quentin will earn $15 more than 2 times the amount of money he earned on Friday. If Quentin earned d dollars on Friday, how much money did he earn on Saturday?

A 2d + 15

B 2d - 15

C 15 +d

D 15 - d

Determine whether the following statements are true and give an explanation or counterexample. bold a. when using the shell method, the axis of the cylindrical shells is parallel to the axis of revolution. bold b. if a region is revolved about the y-axis, then the shell method must be used. bold c. if a region is revolved about the x-axis, then in principle it is possible to use the disk/washer method and integrate with respect to x or the shell method and integrate with respect to y.

Me, prove a quadrilateral with vertices g(1,-1), h(5,1), i(4,3) and j(0,1) is a rectangle using the parallelogram method and a rectangle method.

What expression is equivalent to log3(x+4)