Factor completely.-45y2 - 3y + 18
A. (-9y - 6)(5y - 3)
B. -3(3y + 2)(5y - 3)
C. -3(3y - 2)(5y + 3)
D. (3y + 2)(-15y + 9)
Answer: B
Mathematics
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Decompose v into two vectors v1 and v2, where v1 is parallel to w and v2 is orthogonal to w.v = 2i - 5j,
w = -2i - j
A. v1 = - 
i + 
j, v2 = - 
i - 
j
B. v1 = - 
i + 
j, v2 = 
i - 
j
C. v1 = - 
i + 
j, v2 = 
i - 
j
D. v1 = - 
i + 
j, v2 = 
i - 
j
Mathematics
Solve. Write the answer in simplest form.Find the perimeter of the triangle.
A. 5 km
B. 
km
C. 
km
D. 
km
Mathematics
Find the indefinite integral.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics
Perform the indicated operation.
÷ 
A. 
B. 
C. 
D. 
Mathematics