Evaluate.-150
A. -1
B. -15
C. 1
D. 0
Answer: A
Mathematics
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Write the equation for the plane.The plane through the point P(7, -7, 7) and normal to n = -5i - 6j + 6k.
A. -7x + 7y + 7z = -119 B. -5x - 6y + 6z = 49 C. 5x + 6y - 6z = -119 D. 7x - 7y - 7z = -119
Mathematics
Rationalize the denominator and simplify. Assume that variables represent positive values.
A. 
B. 
C. 1
D. 
Mathematics
Solve the problem.
Barbara knows that she will need to buy a new car in 3 years. The car will cost $15,000 by then. How much should she invest now at 6%, compounded quarterly, so that she will have enough to buy a new car?
A. $13,349.95 B. $13,727.12 C. $11,881.40 D. $12,545.85
Mathematics
Determine which number/s in the set is/are natural number/s.
{2.65, 0.669..., –2, 0.019937247..., 35, –20}
Mathematics