Solve the problem.An experienced accountant can balance the books twice as fast as a new accountant. Working together it takes the accountants 8 hours. How long would it take the experienced accountant working alone?
A. 20 hr
B. 16 hr
C. 12 hr
D. 4 hr
Answer: C
Mathematics
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Use the unit circle to determine the value of the given expression or state that it is undefined.sin (765°)
A. - 
B. 
C. 
D. - 
Mathematics
Analyze the graph and write the equation of the function it represents in standard form f(x) = a(x - h)2 + k.
A. f(x) = -(x + 2)2 + 4 B. f(x) = -(x + 2)2 - 4 C. f(x) = (x + 2)2 - 4 D. f(x) = (x + 2)2 + 4
Mathematics
Solve the equation.-29 = y - 18
A. -11 B. -47 C. 47 D. 11
Mathematics
Write the answer to the problem as an algebraic expression.Today the Center City baseball team scored 10 runs. The day before yesterday they scored w. How many runs did they score in these two days?
A. 10 + w runs B. 10 + 2w runs C. 10 - w runs D. 10w runs
Mathematics