16/4ab - 15/4ab =
a. 4/ab
b. 1/4ab
c. ab
d. 13/2ab
e. 26/4ab
b. 1/4ab
Mathematics
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Compute the gradient of the function at the given point.
A. 
i + 
j + 
k
B. 
i + 
j + 
k
C. 
i + 
j + 
k
D. 
i + 
j + 
k
Mathematics
Write the following using algebraic notation.(b + 8) divided by 6b
A. 6b(b + 8)
B. (b+ 8)6b
C. 
D. 
Mathematics
Solve the problem.Determine a polynomial that represents the area of the figure.
A. 12x2 + 33x + 18 B. 18x2 + 12 C. 18x2 + 33x + 12 D. 12x2 + 18
Mathematics
Solve by graphing.The cost y (in hundreds of dollars) of tuition at one community college is given by the linear equation 
where x is the number of credits for which a student registers. Graph the equation and use the graph to estimate the cost of tuition if a student registers for 14 credits. 
A. $2900 B. $2500 C. $1700 D. $1950
Mathematics