Forty people were surveyed about their favorite flavor of ice cream. how many like just chocolate? if fifteen like vanilla and nine like vanilla and chocolate .

a.24
b.16
c.31
d. non of these

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.

If a baby uses 15 diapers in 2 days, how many diapers will the baby use in a year?

Write the rational number in lowest terms 99/-15