Solve the problem, using 3.14 for ?. Round to nearest tenth unless instructed differently.Find the area of the circular racetrack.(Use 3.14 for ?. Round to the nearest foot.) r = 80 ft R = 150 ft
A. 50,554 ft2
B. 70,650 ft2
C. 20,096 ft2
D. 61,544 ft2
Answer: A
Mathematics
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Solve.
+ 
= 4
A. -3
B. 3, 
C. 3
D. No solution
Mathematics
Find the foci of the ellipse.16x2 - 96x + 25y2 - 150y - 31 = 0
A. (-1, 3), (7, 3) B. (0, 3), (6, 3) C. (3, -1), (3, 7) D. (-2, 3), (8, 3)
Mathematics
Solve the system of equations using the substitution method.
A. (2.3, .2) B. (2.9, 2) C. (.23, 2) D. (2.3, 2)
Mathematics
Reduce the rational expression to lowest terms.
A. 
B. 
C. 
D. 
Mathematics