A 15ft. ladder is leaning against the house. The top of the ladder touches the house at 9 feet above the ground. find the angle of elevation of the sun. PLEASE HELP!

Jim makes $10.35 per hour. write an equation that jim can use to calculate his pay.

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.

Find the quotient. 50a2 – 98b2 -5a +7b