Evaluate the algebraic expression for the given values of the variables.10x - 3y for x = 8 and y = -4
A. 92
B. -64
C. 16
D. 68
Answer: A
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Test the vector field F to determine if it is conservative.F = -cos x cos yi + sin x sin yj - sec2 zk
A. Not conservative B. Conservative
Use addition, subtraction, or multiplication to solve the problem.A company pays every employee $7 for each item he or she produces. If there are 20 employees and they make an average of 117 items, what is the total amount paid to the workers?
A. $959 B. $3159 C. $16,380 D. $144
What does the circuit symbol in the figure mean?
?
?
A. battery (or power source) B. switch C. light
Fill in the blank with one of the words or phrases listed below.
A(n) 
of a system of two equations in two variables is an ordered pair of numbers that is a solution of both equations in the system.
A. consistent B. dependent C. substitution D. solution