Consider a rectangle of perimeter 12 inches. form a cylinder by revolving this rectangle about one of its edges. what dimensions of the rectangle will result in a cylinder of maximum volume?

Aline parallel to a triangle's side splits ab into lengths of x - 5 and x + 2. the other side, ac, is split into lengths of x and x + 12. what is the length of ac? a) 12 b) 24 c) 36 d)

Find the quotient. 50a2 – 98b2 -5a +7b

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?