Some Algebra Questions?

Suppose you drop a tennis ball from a height of 15 feet. After the ball hits the floor, it rebounds to 85% of its previous height. How high will the ball rebound after its third bounce? Round to the nearest tenth. A- 9.2 feet B- 10.8 feet C- 7.8 feet D- 1.9 feet Is the sequence arithmetic? If so, identify the common difference. 14, 21, 42, 77, ... A* yes, 7 B * yes, –7 C* yes, 14 D* no Viola makes gift baskets for Valentine's Day. She has 13 baskets left over from last year, and she plans to make 12 more each day. If there are 15 work days until the day she begins to sell the baskets, how many baskets will she have to sell? A * 193 baskets B* 156 baskets C * 205 baskets D * 181 baskets Kaylee is painting a design on the floor of a recreation room using equilateral triangles. She begins by painting the outline of Triangle 1 measuring 50 inches on a side. Next, she paints the outline of Triangle 2 inside the first triangle. The side length of Triangle 2 is 80% of the length of Triangle 1. She continues painting triangles inside triangles using the 80% reduction factor. Which triangle will first have a side length of less than 29 inches? A* Triangle 4 B* Triangle 3 C* Triangle 5 D* Triangle 6
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B. 10.8 ft D. No A. 193 baskets A. Triangle 4
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