Line a has a slope of 4. line b has a slope of 1/4.

Add or subtract polynomial : –12qr? +13rq?

What is negative 3/9 times negative 2/8 ?

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.