Find the solution to the system of equations by substitution.
x - y = - 
x + 8y = -4
A. (0, -4)
B. (4, 0)
C. (-4, 0)
D. (0, 4)
Answer: C
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Find the limit of the sequence or determine that the limit does not exist.an = 
n
A. does not exist B. 0 C. e7 D. 7
Solve the problem.The voltage V induced in an inductor in an electric circuit is given by V = L(d2q/dt2), where L is the inductance (in H). Find the expression for the voltage induced in a 12-H inductor if 
A. - 
B. - 
C. - 
D. - 
Factor the trinomial.14 + 5x - x2
A. (2 + x)(7 - x) B. (x - 2)(x + 7) C. (2 - x)(7 - x) D. (2 - x)(7 + x)
On a globe, locate Tokyo, Seattle, and Honolulu. Connect these cities with the shortest paths to form a triangle. Next, use a protractor to measure the angles. What is their sum?Answer 180 degrees, less than 180 degrees, or greater than 180 degrees.
What will be an ideal response?