Solve the problem.An experienced accountant can prepare a tax return in 13 hours. A novice accountant can do the job in 19 hours. How long will it take them to do the job working together?
A. 
hr
B. 
hr
C. 
hr
D. 
hr
Answer: D
Mathematics
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Determine the remainder using the remainder theorem.(2x4 - x3 - 15x2 + 3x) ÷ (x + 3)
A. -45 B. 45 C. 9 D. -9
Mathematics
Evaluate the expression.
?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve the problem.Find (f - g)(5) when f(x) = -4x2 - 3 and g(x) = x + 6.
A. -114 B. 98 C. -104 D. -102
Mathematics
Convert the equation to the standard form for a hyperbola by completing the square.y2 - 4x2 - 2y + 8x - 7 = 0
A. (x - 1)2 - 
= 1
B. 
- (y - 1)2 = 1
C. 
- (x - 1)2 = 1
D. 
- (x - 2)2 = 1
Mathematics