Perform the indicated operation.(3a2 - 7b)(5a2 + 10b + c)
A. 15a2 - 5ab + 3a2c - 70b2 - 7c
B. 15a4 - 5a2b - 70b4 + 3a2bc
C. 15a4 - 5a2b + 3a2c - 70b2 - 7bc
D. 15a4 - 5a2b2 - 70b2
Answer: C
Mathematics
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Evaluate.
× 
× 
A. 
B. 
C. 
D. 
Mathematics
Find 
and 
.f(x, y) = xye-y
A. 
= ye-y; 
= xe-y(y - 1)
B. 
= ye-y; 
= xe-y
C. 
= ye-y; 
= xe-y(1 - y)
D. 
= ye-y; 
= - xye-y
Mathematics
Name the property used to go from step to step indicated by an a), b), c), or d).
What will be an ideal response?
Mathematics
Find the equation of the line described, and express your answer in the specified form.Perpendicular to the line y = 
x + 7; passes through the point (5, -4); slope-intercept form
A. y = - 4x - 16
B. y = 4x - 16
C. y = - 4x + 16
D. y = - 
x - 4
Mathematics