Solve the system by the addition method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A. {(1, 4)}
B. {(4, 1)}
C. {(4, 2)}
D. no solution; ?
Answer: B
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Solve the application problem.The function F(C) = 
C + 32 is used to convert a Celsius temperature C to an equivalent Fahrenheit temperature. What Fahrenheit temperature is equivalent to a Celsius temperature of 10°C?
A. 86°F B. 104°F C. 50°F D. 68°F
Solve the problem by using addition, subtraction, multiplication, or division as needed.Raisa's car used 16 gallons of gasoline when she drove it 224 miles. How many miles per gallon did it get?
A. 16 miles per gallon B. 14 miles per gallon C. 208 miles per gallon D. 23 miles per gallon
Add and subtract as indicated. Simplify and leave the numerator and denominator in your answer in factored form.
+ 
A. 
B. 
C. 4x + 3
D. 
Find the sum of the terms of the infinite geometric sequence.45, 15, 5, . . .
A. 45
B. 
C. - 
D. 65