SEWING The table shows several packages of assorted spools of thread available at a store. What is the price per spool of each kind of thread?
Red
White
Blue
Package
Bargain Spools
Simply Spools
Mega Spools
5
5
10
5
2
10
0
5
Price ($)
5.50
7.50
18.00
10
O ($0.70, $0.60. $0.50)
($0.70, $0.50, $0.60)
O ($0.50. $0.60. $0.70)
($0.60, $0.50. S0.70)

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 and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

Wich statement could be used to explain why the function h(x)= x^3 has an inverse relation that is also a function