Charles was skip counting at the Math Club meeting. He started to count by 3s. He said 3, 6, 9, 12, 15, and 18. What number will he say next?

The next number Charles will say is ???
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Tell whatever the ordered pair is a solution of the given system.

The graph of y = ax^2 + bx + c is a parabola that opens up and has a vertex at (0, 5). what is the solution set of the related equation 0 = ax%2 + bx + c?

Sue's average score for three bowling games was 162. in the second game, sue scored 10 less than in the first game. in the third game, she scored 13 less than in the second game. what was her score in the first game?