Solve the problem.At the start of a chemistry experiment, Sarah measured the temperature of a liquid to be 
At the end of the experiment, it had risen 
What was the liquid's temperature at the end of the experiment?
A. -30° C
B. 40° C
C. -40° C
D. 30° C
Answer: D
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Evaluate the algebraic expression for the given values of the variables.x - y + z for x = 24, y = 10, and z = 3
A. 11 B. 18 C. 17 D. 37
Simplify the radical. Assume that all variables represent nonnegative real numbers. 
A. x5
B. x4
C. x5
D. x6
Determine whether the vector field is conservative. If it is, find a potential function for the vector field.
?
?
A. conservative with potential function 
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B. conservative with potential function
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C. conservative with potential function
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D. conservative with potential function
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E. not conservative
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In recent years, the state of California issued license plates using a combination of two letters of the alphabet followed by two digits, followed by another three letters of the alphabet. How many different license plates can be issued using this configuration?
a. 1,188,137,600 b. 831,696,320 c. 950,510,080 d. 712,882,560 e. 1,069,323,840