Solve the equation for exact solutions.sin-1 x + cos-1 
= ?
A. {0}
B. {1}
C. 
D. 
Answer: C
Mathematics
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Solve the system of equations by the substitution method. If the system does not have a single ordered pair as a solution, state whether the system is inconsistent or dependent.x + y = 2x + y = -6
A. No solution; inconsistent system B. (0, 0) C. (0, -4) D. (2, -6)
Mathematics
Write the expression with positive exponents. Then simplify if possible.
A. - m4 B. m4 C. m1/4 D. - m1/4
Mathematics
Use a proportion to solve the problem.If a spring stretches 3 meters when a 5-kilogram weight is attached to it, how much will it stretch when a 10-kilogram weight is attached to it?
A. 8 meters B. 5 meters C. 9 meters D. 6 meters
Mathematics
Convert to decimal notation.10-7
A. 0.000001 B. 0.00000001 C. 0.0000001 D. 0.00001
Mathematics