19) mr. burton surveyed his 20 basketball players to find out how much extra time they
practiced basketball each week. the results are as follows: 5% practiced less than 1
hour; 25% practiced 1-2 hours; 35% practiced 3-4 hours; 25% practiced 5-10 hours; and
10% practiced more than 10 hours. how many players practiced an extra 3-4 hours per
week?
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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?

The power generated by an electrical circuit (in watts) as a function of its current c (in amperes) is modeled by p(c)= -15c(c-8) what current will produce the maximum power?

The ratio of the height of two similar cylinders is 4 to 3 what is the ratio of their volumes