Solve the problem. Use 3.14 to approximate the value of ?. Round to nearest tenth unless instructed differently.The outfield wall in a baseball park is in the shape of a quarter circle. If the radius of the circle is 10 ft, how long is the wall?
A. 31.4 ft
B. 15.7 ft
C. 7.9 ft
D. 13.7 ft
Answer: B
Mathematics
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Simplify.(mn)-7
A. m7n7
B. 
C. 
D. 
Mathematics
Solve the problem.There are 7 essay questions on a test. Students must select 3 questions to write essays on. In how many ways can the 3 questions be chosen?
A. 42 B. 210 C. 33 D. 35
Mathematics
Use a proportion to solve the problem.A punch recipe calls for mixing 7 parts of orange juice with 4 parts of apple juice. How much orange juice should be mixed with 56 ounces of apple juice?
A. 8 oz B. 14 oz C. 98 oz D. 32 oz
Mathematics
Solve the system by graphing.
A. {(1, 5)}
B. ?
C. {(x, y) 
}
D. {(1, 1)}
Mathematics