Solve the given equation. 2 cos² ? - cos ? - 1 = 0
What will be an ideal response?
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Mathematics
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Evaluate the expression.4 - 10
A. -14 B. -6 C. 14 D. 6
Mathematics
Divide the following numbers:
16a2b 18x4y3z2 a. ÄÄÄÄÄ c. ÄÄÄÄÄÄÄÄ 4ab 3xy2z 14ab-2 144abc2 b. ÄÄÄÄÄÄ d. ÄÄÄÄÄÄÄ 7a2b-2 6a2bc
Mathematics
Divide and simplify.
÷ 
A. 
B. 
C. z + 5
D. 
Mathematics
Simplify. Write the expression as a single logarithm with a coefficient of 1.log6(x + 4) - log6(x + 7)
A. log6
B. log6(x2 + 11x + 28)
C. log6(-3)
D. log6
Mathematics