Write a numerical expression for the phrase and simplify it.Seven-ninths of the difference between -9 and -27.
A. 7(9) [(-9) - (-27)]; 14
B. 
[(-9) - (-27)]; 14
C. 
+ [(-9) - (-27)]; 42
D. 7(9) [(-9) - (-27)]; 1134
Answer: B
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Provide an appropriate response.The curve y = ax2 + bx + c passes through the point (2, 12) and is tangent to the line 
at the origin. Find a, b, and c.
A. a = 4, b = 0, c = 1 B. a = 2, b = 0, c = 0 C. a = 1, b = 4, c = 0 D. a = 0, b = 1, c = 4
Solve and check. Begin by using the addition or multiplication principles of equality to isolate the squared term. x2 - 100 = 0
A. ±10 B. 52.5 C. 10 D. ±9
Solve.As the relative humidity increases, the temperature seems higher than it is. The formula T = 0.103x + 73.39 approximates the apparent temperature for an actual temperature of 
where x is the relative humidity. What is the apparent temperature (to the nearest degree) for a relative humidity of 30%?
A. 103°F B. 73°F C. 76°F D. 227°F
Solve the problem.A small company sells stock for 8
dollars per share. How much will 200 shares cost?
A. 200 dollars
B. 1650 dollars
C. 202 dollars
D. 24
dollars