Solve.4x2 = 52
A. ± 
B. ± 13
C. 14
D. 26
Answer: A
Mathematics
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Convert the numeral to a numeral in base 10.315
A. 155 B. 20 C. 16 D. 80
Mathematics
Find the unknown length in the right triangle. If necessary, approximate the length to the nearest thousandth.
16 km
A. 16.763 km B. 10.5 km C. 140.5 km D. 281 km
Mathematics
Find a cofunction with the same value as the given expression.sin 67°
A. tan 23° B. cos 23° C. cot 23° D. cos 67°
Mathematics
The augmented matrix is in row-echelon form and represents a system of linear equations. Solve the system using back-substitution.
A. {(60, -21, 5)} B. {(60, -23, 5)} C. ? D. {(65, -23, 5)}
Mathematics