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

Mathematics

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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

Mathematics

Simplify the radical. Assume that all variables represent nonnegative real numbers. 

A. x5
B. x4
C. x5
D. x6

Mathematics

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

?


C. conservative with potential function

?


D. conservative with potential function

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E. not conservative

?


Mathematics

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

Mathematics