Find the absolute value.
A. - 
B. 
C. 
D. 0
Answer: C
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Solve the problem.The resistance R produced by wiring resistors of R1 and R2 ohms in parallel can be calculated from the formula 
If R1 and R2 are measured to be 3 ohms and 4 ohms respectively and if these measurements are accurate to within 0.05 ohms, estimate the maximum percentage error in computing R.
A. 2.98% B. 1.49% C. 1.79% D. 2.38%
Use the zero-exponent rule to simplify the expression.18y0
A. 18 B. 18y C. 0 D. 1
Translate the English sentence into a mathematical sentence and solve, if necessary. Use x as the variable.Five less than four times a number is at most fifteen.
A. 5x - 4 ? 15, x ? 
B. 4x - 5 ? 15, x ? 5
C. 4x - 5 ? 15, x ? 5
D. 5 - 4x ? 15, x ? -2.5
Find the maximum or minimum value of the given objective function of a linear programming problem. The figure illustrates the graph of feasible points. 
z = -x - 8y. Find maximum.
A. maximum: -42 B. maximum: -20 C. maximum: -34 D. maximum: -27