Write an equation to find the number. Solve.Six times a number subtracted from 3 times the number is equal to -15.
A. 6x - 3x = -15; x = 5
B. 3x - 6x = -15; x = 5
C. 6x - 3x = -15; x = -5
D. 3x - 6x = -15; x = -5
Answer: B
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Solve the problem.The resistance R produced by wiring resistors of R1, R2, and R3 ohms in parallel can be calculated from the formula 
If R1, R2, and R3 are measured to be 10 ohms, 3 ohms, and 4 ohms respectively, and if these measurements are accurate to within 0.05 ohms, estimate the maximum possible error in computing R.
A. 0.016 B. 0.012 C. 0.024 D. 0.020
Solve and check the equation. Begin your work by rewriting the equation without fractions.
- x = 
- 
A. 
B. 
C. 
D. 
Find all points where the function is discontinuous.
A. x = 2 B. None C. x = -2, x = 2 D. x = -2
Use the change of base rule to find the logarithm to four decimal places.log2.8 154
A. 0.2044 B. 2.1875 C. 55.0000 D. 4.8921