Ineed some with fractions, what is -1/-2+1/5?

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.

In the sixth grade 13 out of 20 students have a dog if there are 152 sixth grade students how many of them have a dog