Find the LCM for the given numbers by an appropriate method.30, 80, and 70
A. 560
B. 1680
C. 840
D. 240
Answer: B
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Solve the problem.A salesperson has two job offers. Company A offers a weekly salary of $400 plus commission of 16% of sales. Company B offers a weekly salary of $800 plus commission of 8% of sales. What is the amount of sales above which Company A's offer is the better of the two?
A. $10,000 B. $5100 C. $5000 D. $2500
Solve the problem.The charges for renting a moving van are $65 for the first 40 miles and $5 for each additional mile. Assume that a fraction of a mile is rounded up. (i) Determine the cost of driving the van 84 miles. (ii) Find a symbolic representation for a function f that computes the cost of driving the van x miles, where 
(Hint: express f as a piecewise-constant function.)
A. $285; f(x) = 
B. $5680; f(x) = 
C. $685; f(x) = 
D. $685; f(x) = 
Graph the inequality on the number line.x ? -3
A. 
B. 
C. 
D. 
Translate into an equation and solve. The sum of a number and eleven is three. Find the number.
A) 14 B) 8 C) –14 D) –8 E) –3