At the end of lunch period one day, the junior class president made an announcement asking students to pick up their trash. After the announcement, many more students than usual cleaned up after themselves. The principal decided to have an announcement like this every day. This is an example of: A. collecting data. B. describing data. C. making an inference. D. none of the above.

Graph red beads cost $1 an ounce and gold beads cost $3 an ounce. juanita wants to purchase a 12-ounce mixture of red and gold beads that she can sell for $2 an ounce. the solution of the system shows the number of beads needed for juanita to break even. x + y = 12, x + 3y = 24 how many ounces of red beads will juanita buy to break even? how many ounces of gold beads will she buy?

When a rectangle is dilated, how do the perimeter and area of the rectangle change?

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