Factor completely 4x⁸+12x⁷-16x⁶-48x⁵

What values of x satisfy the inequality x^2-9x< 0? how is your answer shown on the graph?

Suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet.

Teams of 4 are competing in a 1/4 mile relay race. each runner must run the same exact distance. what is the distance each teammate runs?