Complete the identity.
= ?
A. cot ? + tan ?
B. cot ? + cot ?
C. tan ? + 1
D. cot ? + tan ?
Answer: A
Mathematics
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Simplify.
? -12 ÷ (-4)
A. 42 B. -42 C. -672 D. 672
Mathematics
Solve the system by graphing.3x + 2y = 5-6x - 4y = 5
A. (-1.5, -1) B. (1, 1) C. (1.5, -1) D. Inconsistent
Mathematics
Solve the system of equations by substitution, if a solution exists.
A. x = 4, y = 5 B. No solution C. x = -4, y = 6 D. x = 3, y = 6
Mathematics
Perform the indicated operations. Simplify the answer.
A. - 
B. 
C. - 
D. 
Mathematics