The revenue, in dollars, of a company that makes toy cars can be modeled by the polynomial 3x2 4x – 60. The cost, in dollars, of producing the toy cars can be modeled by 3x2 – x 200. The number of toy cars sold is represented by x. If the profit is the difference between the revenue and the cost, what expression represents the profit? 3x – 260 3x 140 5x – 260 5x 140

To safely control the traffic flow and protect workers near public roadways and moving construction equipment use you could use

If your not fit to drive you have a responsibility to

Apopulation of deer mice was introduced into a desert ecosystem. being dark-colored, the deer mice stood out in the sand and were easy prey for predators. over a few years, the color of the mice changed from dark brown to light brown. what role does natural selection play in this example? a. the change of color camouflaged them, which them hunt better. b. the change of color enabled them to regulate their body temperature. c. the change of color allowed them to hide better from predators. d. the change of color made their bodies tolerant to the harsh desert sand. e. the change of color allowed them to deflect the excessive heat.