Solve.
= x + 9
A. {- 
}
B. {
}
C. {
}
D. {
}
Answer: A
Mathematics
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Find the average velocity of an object which follows the position function s(t) over the given interval.s(t) = 3 + tan t, 
A. 0
B. 
C. - 
D. - 
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Convert the fraction to a decimal.
A. 
B. 
C. 
D. 
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Complete the square for the binomial. Then factor the resulting perfect square trinomial.x2 + 5x
A. x2 + 5x - 
= 
2
B. x2 + 5x + 
= 
2
C. x2 + 5x + 
= 
2
D. x2 + 5x + 10 = (x + 5)2
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Write the vector v in the form ai + bj, given its magnitude 
and the angle ? it makes with the positive x-axis.
= 8, ? = 270°
A. v = -8j B. v = -8i + 8j) C. v = -8i D. v = -8i - 8j
Mathematics