Solve the equation for the indicated variable.5r + 1 = 9s for r
A. 
B. 
s - 1
C. 
s + 1
D. 9s - 
Answer: A
Mathematics
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The graph of a quadratic function is given. Find the standard form of the function
A. f(x) = (x + 2)2 - 2 B. f(x) = -(x - 2)2 - 2 C. f(x) = -(x + 2)2 + 2 D. f(x) = -(x + 2)2 - 2
Mathematics
Write the first four terms of the sequence.an = 4n
A. a1 = 1, a2 = 16, a3 = 81, a4 = 256 B. a1 = 1, a2 = 4, a3 = 16, a4 = 64 C. a1 = 4, a2 = 16, a3 = 64, a4 = 256 D. a1 = 16, a2 = 64, a3 = 256, a4 = 1024
Mathematics
Evaluate.Let log b A = 2.226 and log b B = 0.13. Find log b 
.
A. 2.356 B. 2.226 C. 2.096 D. 0.289
Mathematics
Solve the equation.7(y + 4) = 9y + 28
A. 56 B. -28 C. 0 D. 28
Mathematics