Find the exact value of the expression.
A. - 
B. - 
C. -2
D. -
Answer: D
Mathematics
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Find the root. If the root is not a real number, so state.
A. 6.233 B. not a real number C. 16 D. 4
Mathematics
Multiply using the method indicated.311 × 58; conventional algorithm
A. 18,349 B. 18,038 C. 36,076 D. 18,096
Mathematics
Collect like terms.- 
x + 
y - 
x + 
y
A. - 
x + 
y
B. 
x + 
y
C. - 
x + 
y
D. - 
x + 
y
Mathematics
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 = 85 ft R = 115 ft
A. 11,304 ft2 B. 22,687 ft2 C. 18,840 ft2 D. 41,527 ft2
Mathematics