At an auto repair shop, 14 of the 56 cars received oil changes. What percent of
the cars received oil changes

For problems 29 - 31 the graph of a quadratic function y=ax^2 + bx + c is shown. tell whether the discriminant of ax^2 + bx + c = 0 is positive, negative, or zero.

For f(x) = 3x+1 and g(x) = x2 - 6, find (g/f)(x)

Larry wants to buy some carpeting for his living room. the length of the room is 4 times the width and the total area of the room is 16 square meters. what is the length of the living room