Find the sum.18 + 6 + 2 + 
+ . . .
A. 27
B. 26
C. - 9
D. Does not exist
Answer: A
Mathematics
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Factor the expression completely.y4 - s4
A. (y2 + s2)(y - s)(y - s) B. (y2 + s2)(y2 - s2) C. (y2 + s2)(y - s)(y + s) D. (y + s)2(y - s)2
Mathematics
Multiply.(8m2 + 7n)(8m2 - 7n)
A. 64m4 + 49n2 B. 64m4 - 112m2n + 49n2 C. 64m2 - 49n2 D. 64m4 - 49n2
Mathematics
Find values of x, y, and ? that satisfy the system. These systems arise in certain optimization problems in calculus, and ? is called a Lagrange multiplier.
?
?
A. x = 5?, y = -10, ? = -10 B. ?x = 5, y = 5, ? = 5 C. x = -10, y = 5, ? = -10 D. x = 5, y = -10, ? = 5 E. x = 5, y = 5, ? = -10
Mathematics
Use the associative law of addition to write an equivalent expression.(8 + u) + v
A. (u + 8) + v B. v + (8 + u) C. 8 + (u + v) D. (8 + v) + u
Mathematics