A stone is dropped from a bridge that is 400 ft above the surface of a river. The height h of the stone measured from the river t seconds after it is dropped is given by h = -16t2+400. How long will it take the stone to hit the river

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x

Explain how you do each step what term makes it inconsistent y=2x - 4 ?

Which ratios are equivalent to 10: 16? check all that apply. 30 to 48 25: 35 8: 32 5 to 15