Add. Combine like terms, and write the answer in descending order.(-5y + 4y2 + 6) + (-5 + 9y)
A. 4y2 + 8y + 11
B. 8y2 + 1
C. 4y2 + 4y + 1
D. 4y2 + 14y - 1
Answer: C
Mathematics
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Solve the problem.The electric charge q (in C) passing a given point in a circuit is given by 
where t is the time (in s). Find the current i (in A) for 
A. 1.1 A B. 2.2 A C. 0.64 A D. 2.0 A
Mathematics
Solve the problem.To convert a temperature from degrees Celsius to degrees Fahrenheit, you multiply the temperature in degrees Celsius by 1.8 and then add 32 to the result. Find F as a linear function of c, and use this function to convert 34° C to °F.
A. 93.2°F B. 80.9°F C. 84.2°F D. 88.5°F
Mathematics
Simplify. Assume that any variables are positive.
A. 
B. 25x
C. 
D. x 
Mathematics
Evaluate. 
A. 
x9/2 + C
B. 
x9/2 + C
C. 
x9/2 + C
D. 
x9/2 + C
Mathematics