Mr. Gonzalez started 8 yards away from the motion detector, and 2 seconds later he was 4 yards away from the motion detector. The
graph below shows Mr. Gonzalez’s motion. What is the difference
between the rate of change over the interval [1, 2] and [2, 4]?
a. 2
b. -2
c. 1⁄2
d. -1⁄2
e. 0

There are 4 cups in a quart and 4 quarts in a ganon. jug of water? . how many cups are in a 5-gallon jug of water?

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."

What is the result of adding the system of equations? 2x+y=4 3x-y=6