Solve the problem.Andrea is having her yard landscaped. She obtained an estimate from two landscaping companies. Company A gave an estimate of $190 for materials and equipment rental plus $50 per hour for labor. Company B gave an estimate of $260 for materials and equipment rental plus $40 per hour for labor. Create a cost equation for each company where y is the total cost of the landscaping and x is the number of hours of labor. Determine how many hours of labor will be required for the two companies to cost the same.
A. 10 hr
B. 11 hr
C. 7 hr
D. 6 hr
Answer: C
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Use the product rule to simplify the expression. Assume that the variables can be any real number.
A. 3xy
B. -7xy
C. -7xy
D. 7xy
Provide an appropriate response.Which of the following inequalities satisfies the following description: the region inside an ellipse centered at the origin, with x-intercepts at (-8, 0) and (8, 0), and y-intercepts at (0, -4) and (0, 4)?
A. 
- 
< 1
B. 
+ 
> 1
C. 
+ 
< 1
D. 
+ 
< 1
Solve the problem.A small business owner made $30,000 the first year he owned his store and made an additional 
over the previous year in each subsequent year. Find how much he made during his fourth year of business. Find his total earnings during the first four years. (Round to the nearest cent, if necessary.)
A. $205,770.00; $401,070.00 B. $38,850.87; $137,193.87 C. $390,963.00; $792,033.00 D. $21.87; $32,964.87
Convert the number in the sentence to standard notation.The total sales of Acme Manufacturing Company for the years 2000-2006 were $62.04 billion.
A. $62,040,000,000 B. $620,400,000 C. $62,040,000,000,000 D. $62,040,000