Find the exact value of 
.
?
A. 
B. 
C. 
D. 
E. 
Answer: E
Mathematics
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Simplify the radical. Assume that all variables represent positive numbers.
A. 4 B. 3 C. -2 D. ±2
Mathematics
Determine the sum or difference in the given clock arithmetic.2 + (4 - 4) (clock 7)
A. 2 B. 3 C. 5 D. 4
Mathematics
Determine whether the given equations are equivalent equations.3x - 5 = 7, 3x = 12, x = 4
A. Equivalent equations B. Not equivalent equations
Mathematics
Solve the problem.The area of a circle is found by the equation A = ?r2. If the area A of a certain circle is 36? square centimeters, find its radius r.
A. r = 6? cm
B. r = ± 6 cm
C. r = 6 cm
D. r = 6
cm
Mathematics