Alison paid $21.75 for a number of packs of rice crackers. 3 packs of rice crackers cost $1.45. how many packs of rice crackers did alison buy? if she were to buy 60 packs of the same rice crackers , would $30 be enough to pay for them

Enter the missing numbers in the boxes to complete the table of equivalent ratios of lengths to widths. ? 18 8 ? 10 30 12 ?

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.

A(1,1) b(-3,0) c(-4,-1) d(3,-2) drag it to correct position