Use the standard normal curve table to find the z-score for the given condition.30.15% of the total area is to the right of z.
A. -0.52
B. 0.52
C. 0.53
D. 0.88
Answer: B
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Find the domain of the function h.h(x) = 
A. {x| x is a real number and x ? 0} B. {x| x is a real number and x ? -2 and x ? 6} C. {x| x is a real number and x ? 2 and x ? -6 and x ? 6 and x ? 0} D. {x| x is a real number and x ? 2 and x ? -6}
Use properties of logarithms to condense the logarithmic expression. Write the expression as a single logarithm whose coefficient is 1. Where possible, evaluate logarithmic expressions.log x + log(x2 - 144) - log 7 - log(x - 12)
A. log 
B. log 
C. log 
D. log 
Solve the following equation by finding the exact solution.
?
What will be an ideal response?
Solve the problem.Robert has built a mechanical model solar system with three balls representing planets at the ends of rods attached to the center representing the sun. The planets are aligned when he turns on the motor. The innermost planet makes a revolution in 18 seconds, the middle planet makes a revolution in 30 seconds, and the outermost planet makes a revolution in 42 seconds. After how many seconds will the planets be aligned again?
A. 1260 seconds B. 630 seconds C. 315 seconds D. 945 seconds