An object dropped from a height of 170 feet will fall according to the equation h ( t ) = 170 − 16 t 2 , where t is measured in seconds, and h(t) is measured in feet. What is the height of the object after 1.1 seconds? feet.

How long will it take for the object to hit the ground? seconds Give your answers as decimal values, accurate to 2 decimal places

Which graph represents the solution set for the given system of inequalities? x+2y< 3 x+y> 4 3x-2y> 4

Asays "we are both knaves" and b says nothing. exercises 24–31 relate to inhabitants of an island on which there are three kinds of people: knights who always tell the truth, knaves who always lie, and spies (called normals by smullyan [sm78]) who can either lie or tell the truth. you encounter three people, a, b, and c. you know one of these people is a knight, one is a knave, and one is a spy. each of the three people knows the type of person each of other two is. for each of these situations, if possible, determine whether there is a unique solution and determine who the knave, knight, and spy are. when there is no unique solution, list all possible solutions or state that there are no solutions. 24. a says "c is the knave," b says, "a is the knight," and c says "i am the spy."

15 liters is approximately how many gallons