I have a cockroach problem in my living room. Don't ask how but I counted 64 cockroaches today. And they are growing at a rate of 25% every day.
How many cockroaches do you think I'll have after three days?

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

What is y times x by? y is __ times x

Use stokes' theorem to evaluate c f · dr where c is oriented counterclockwise as viewed from above. f(x, y, z) = xyi + 5zj + 7yk, c is the curve of intersection of the plane x + z = 8 and the cylinder x2 + y2 = 81.