Simplify the algebraic expression by combining like terms.-7y + (-5y)
A. -2y
B. -12y
C. -12y2
D. 12y
Answer: B
Mathematics
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Find the length of the curve with the given vector equation.r(t) = 4ti + 
j + 
k; -9? t ? 6
A. -75 B. 75 C. 375 D. -15
Mathematics
Draw a sketch to represent each of the following vectors. Refer to the vectors pictured here.
b + c
A. 
B. 
Mathematics
?V is the vertex angle of isosceles triangle ?RVT. Prove that if VS is the median to RT, then bisects ?RVT.
Mathematics
Find any vertical asymptotes as well as the location of any holes in the graph of the given rational function.f(x) = 
A. vertical asymptotes: x = 5, x = 2; hole: (7,0) B. vertical asymptotes: x = -5, x = -2; holes: none C. vertical asymptotes: x = -7, x = 7; holes: none D. vertical asymptotes: x = -5, x = -7; hole: (7,0)
Mathematics