Use the laws of exponents to simplify each expression using positive exponents only. Assume all variables represent nonzero real numbers.3-3 ? 3
A. 9
B. 27
C. 
D. 
Answer: C
Mathematics
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Solve by the substitution method. If the system is inconsistent or dependent, say so.9x + 40 = -7y5x - 4y = 33
A. No solution B. (1, -7) C. (0, -6) D. (1, -6)
Mathematics
Provide an appropriate response.The first difference of a sequence is 2, 4, 6, 8, 10, . . . Find the first six terms of the original sequence if the third term of the original sequence is 61.
A. 61, 63, 65, 67, 69, 71 B. 55, 57, 61, 67, 69, 71 C. 59, 57, 61, 67, 69, 71 D. 55, 57, 61, 67, 75, 85
Mathematics
Solve the problem.A projectile is thrown upward so that its distance above the ground after t seconds is 
After how many seconds does it reach its maximum height?
A. 42 s B. 21 s C. 10 s D. 31.5 s
Mathematics
Solve the logarithmic equation.log4(x - 1) = 2 + log4(x - 4)
A. 
B. 
C. 
D. 
Mathematics