Aline in the xy-plane passes through the origin and has a slope of 1/7. what point lies on the line

What is the maximum total area that 450cm of string can enclose if it is used to form perimeters of two adjoining rectangles as shown?

The ratio of wooden bats to metal bats in the baseball coach’s bag is 2 to 1. if there are 20 wooden bats, how many metal bats are in the bag?

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b