Write the expression with only positive exponents and evaluate if possible. Assume all variables represent nonzero real numbers.-9x0
A. 1
B. -1
C. 0
D. -9
Answer: D
Mathematics
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Provide an appropriate response.Solve 4D = 11.
A. 0.58 B. 1.39 C. 2.40 D. 1.73
Mathematics
Determine whether the given number is a solution of the equation. 5r + 10 = 45; r = 
A. No B. Yes
Mathematics
Solve using Cramer's rule, if possible. If it is not possible, state whether the system is inconsistent or has infinitely many solutions.
A. (8, 2, 8) B. (4, 8, 4) C. (7, -4, -8) D. (7, 4, 8)
Mathematics
Solve the following graphically. If necessary, round answers to the nearest thousandth.x2 - 4x - 7 = ex - 6 - 3
A. {-0.81, 4.88} B. {-0.03} C. {-0.8, 4.87} D. {-0.83, 4.89}
Mathematics