One paperback book costs $7. How many books can be bought for $133? Create an equation then solve it.

Please help

Part a : solve -vp + 40 < 65 for v part b : solve 7w - 3r = 15 for r show your work .

List x1, x2, x3, x4 where xi is the midpoint endpoint of the five equal intervals used to estimate the area under the curve of f(x) between x = 0 and x = 10.

Maddie's rectangular kitchen has an area of 10 square yards and a length of 3 3/4 yards.how many yards wide is maddie's kitchen?