The 22 students in Mr. Byers 6th grade class each donated $5.00 for Mr. Byers' end of year gift. When Jessica went to purchase the gift, she added an extra $30.00. How much money was spent on Mr. Byers' gift? A. $80 B. $110 C. $130 D. $140

Use set buikder notation to represent the following set: {, -2, -1, 0}

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."

Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a, b and c integers and a> 1