Use the square root property to solve the equation.(x - 18)2 = 36

A. 24
B. -18
C. -12, -24
D. 12, 24


Answer: D

Mathematics

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Solve the right triangle shown in the figure.  ?C = 90°,  = 6.70 mi,  = 9.84 mi

A.  = 11.9 mi, ?A = 34.3°, ?B = 55.7°
B. No triangle satisfies the given conditions.
C.  = 17.7 mi, ?A = 32.3°, ?B = 57.7°
D.  = 14.8 mi, ?A = 36.3°, ?B = 53.7°

Mathematics

Subtract the fractions. Write the answer in lowest terms.

A.
B.
C.
D.

Mathematics

Perform the indicated operation and simplify. Assume all variables represent positive real numbers. 

A. 7a2 + a  +  + 
B. 7a2 + a  + 7a  + 
C. 7a2 + a  + 7a 
D. 7a2 + 

Mathematics

Use elimination to solve the system of equations.x - 6y = -54-3x - 5y = -45

A. Inconsistent; no solutions B. (0, 9) C. (1, 8) D. (-9, 0)

Mathematics