Simplify by writing the expression with positive exponents. Assume that all variables represent nonzero real numbers.
A. 
B. p-9
C. p-5
D. p9
Answer: D
Mathematics
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Solve the system of equations. 3x - 4y = -3 6x + 2z = - 
2y - 4z = 4
A. No solution
B. 
C. 
D. 
Mathematics
Solve the problem.A sensor light installed on the edge of a home can detect motion for a distance of 
in front and with a range of motion of 
Over what area will the sensor detect motion and become illuminated? Round to the nearest hundredth.
A. 21,771.02 ft2 B. 21,770.92 ft2 C. 10,885.46 ft2 D. 10,885.36 ft2
Mathematics
Find the sum without the use of a number line.-63 + 49
A. -14 B. 14 C. -112 D. 112
Mathematics
Convert to a logarithmic equation.yz = 4
A. y = log9 z B. z = logy 4 C. z = log9 y D. y = logz 4
Mathematics