The Center for Science and Industry sells adult tickets for $15 and children's tickets for $3. The expression 15a+3c represents the total revenue from selling a adult tickets and children's tickets. Evaluate the algebraic expression 15a3c for a 154 and c=424

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Amira is painting a rectangular banner 2 1/4 yards wide. the banner will have a blue background. amira has enough paint to cover 1 1/2 square yards of the wall. the school colors are blue and yellow, so amira wants to add yellow rectangles on the left and right sides of the blue rectangle. the yellow rectangles will each be 3/4 yards wide and the same height as the blue rectangle. what will be the total area of the two yellow rectangles?

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).