After 9y - 18 = 27 is simplified to 9y = 45, what is the second step to solve for the variable "y"? Is it A. Divide both sides by 45 B. Multiply both sides by 9 C. Multiply both sides by 45 D. Divide both sides by 9 Thank you. I just can't figure these out.

What term best describes a line and a point that lie in the same plane? a. congruent b. coplanar c. collinear d. equal

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."

Iam a rectangle. my perimeter is 60 feet. how much are do i cover?