Solve.19 ? x = 1691
A. 86
B. 89
C. 84
D. 88
Answer: B
Mathematics
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Factor completely. If the polynomial cannot be factored, say it is prime.x4 - 256
A. prime B. (x2 - 16)2 C. (x2 + 16)2 D. (x2 + 16)(x + 4)(x - 4)
Mathematics
Ions are atoms or groups of atoms with positive or negative electrical charges. The charges of some ions are given. Use this information to find the total charge. 
4 calcium ions and 2 oxalate ions
A. +4 B. -4 C. -12 D. +12
Mathematics
P( X >1.5)
The random variable X has the probability density function
over ? .
Compute the quantity.
Mathematics
Use the limit rules to find the limit.Let
f(x) = -8 and 
g(x) = -6. Find
[f(x) + g(x)]2.
A. -14 B. -2 C. 100 D. 196
Mathematics