Solve the problem, using 3.14 for ?. Round to nearest tenth unless instructed differently.The diameter of a discus is about 8.69 in. What is the area of one flat surface of a discus? (Round to the nearest hundredth.)
A. 27.29 in.2
B. 237.12 in.2
C. 29.64 in.2
D. 59.28 in.2
Answer: D
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Solve the problem.A baseball player with a batting average of 0.400 comes to bat. What are the odds of his getting a hit?
A. 3 : 2 B. 5 : 2 C. 2 : 3 D. 2 : 5
Solve. Write the fraction in simplest form.The following graph is called a circle graph or pie chart. Each sector (shaped like a piece of pie) shows the number of each color of marbles that Jay has: 252 are red, 150 are blue, 72 are yellow, 90 are green, and 36 are clear. What fraction of the marbles are red? Write the fraction in simplest form.
A. 
B. 
C. 
D. 
Solve the problem.In a certain city, the cost of a taxi ride is computed as follows: There is a fixed charge of $2.80 as soon as you get in the taxi, to which a charge of $2.10 per mile is added. Find a linear equation that can be used to determine the cost, C, of an x-mile taxi ride.
A. C = 2.80x + 2.10 B. C = 4.90x C. C = 3.40x D. C = 2.10x + 2.80
Graph the rational function and find the intercepts.h(x) = 
A. x-intercept: 0. y-intercept: -5.
B. x-intercept: 0. y-intercept: 0.
C. x-intercept: 1. y-intercept: 0.
D. x-intercept: 0. y-intercept: 0.