Solve the inequality.8z + 4 > 7z - 2
A. z > 2
B. z < 2
C. z > -6
D. z < -6
Answer: C
Mathematics
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Decide whether or not the given equation is an identity.cos 
= 
A. Yes B. No
Mathematics
Find -x.x = 0
A. -10 B. Not defined C. 0 D. -1
Mathematics
Solve the system of equations.x + 5y + 3z = 31 5y + 3z = 29 z = 3
A. (3, 4, 2) B. (2, 4, 3) C. (2, 3, 4) D. No solution
Mathematics
Use the product rule and positive exponents to simplify the expression.3a7 ? 4a-3
A. 12a10 B. 12a4 C. 12a21 D. 7a4
Mathematics