Music Company A charges a $15 membership fee and $0.75 each to download a song. Music Company B charges $0.90 each to download a song with no membership fee. For what number of songs will both companies charge the same amount? Justify your answer
using mathematics.

Strawberries cause two hours per pound kate buys 5 pounds he gets 20% off discount on the total cost how much does kate pay for the strawberries

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.

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section