Determine whether the given value is a solution to the given equation.Is 7 a solution to x + 8.5 = 15.1?
A. Yes
B. No
Answer: B
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Find 
and 
.f(x, y) = 10x - 10y2 - 6
A. 
= 10; 
= -20y
B. 
= 10x; 
= -20y
C. 
= -20y; 
= 10
D. 
= 4; 
= -20y - 6
Solve the problem.An auxiliary fuel tank for a helicopter is shaped like the surface generated by revolving the curve 
- 2 ? x ? 2, about the x-axis (dimensions are in feet). If a cubic foot holds 7.481 gallons and the helicopter gets 3 miles to the gallon, how many additional miles will the helicopter be able to fly once the tank is installed (to the nearest mile)?
A. 50 B. 38 C. 75 D. 150
Solve the problem.If the Jefferson Method is used to apportion 200 legislative seats to four states with the populations given in the table, then a violation of the Quota Rule occurs. 
The apportionment for which state violates the Quota Rule?
A. d B. b C. e D. a
Find the perimeter or area of the figure as indicated.Find the area of the square.
A. 24x2 sq cm B. 144x2 sq cm C. 121x2 sq cm D. 48x2 sq cm