Evaluate the expression.(66)
A. 2
B. 720
C. 1
D. 0
Answer: C
Mathematics
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Sketch the curve.y2 = 20x
A. 
B. 
C. 
D. 
Mathematics
Solve and graph.3x2 + 4x - 4 ? 0
A. x ? -2 or x ? 
B. x ? 
C. x ? -2
D. -2 ? x ? 
Mathematics
Provide an appropriate response.The random variable X has density function f(x) = 
Find ? and ?.
What will be an ideal response?
Mathematics
Solve the problem.A couple with a monthly income of $1700 spends 89% of its earnings and saves the balance. Find (i) the monthly savings and (ii) the annual savings of this couple.
A. (i) $187; (ii) $1870 B. (i) $1513; (ii) $15,130 C. (i) $1513; (ii) $18,156 D. (i) $187; (ii) $2244
Mathematics