Solve the problem.Robin is having her yard landscaped. She obtained an estimate from two landscaping companies. Company A gave an estimate of $210 for materials and equipment rental plus $60 per hour for labor. Company B gave an estimate of $270 for materials and equipment rental plus $45 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. 3 hours
B. 7 hours
C. 8 hours
D. 4 hours
Answer: D
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Answer the question.If 
is a convergent series of nonnegative terms, what can be said about 
, where k is a positive integer?
A. Always converges B. Always diverges C. May converge or diverge
Factor by grouping.10x4 + 15x2 + 8x2 + 12
A. (5x2 - 4)(2x2 - 3) B. (5x4 + 4)(2x + 3) C. (10x2 - 4)(x2 - 3) D. (5x2 + 4)(2x2 + 3)
Let x represent the number. Write the English phrase as an algebraic expression. Then simplify the expression, if possible.-3 times the sum of a number and 29.
A. (-3 + x) ? 29; -87 + 29x B. -3x + 29; cannot be simplified C. -3(x + 29); -3 + 29x D. -3(x + 29); -3x - 87
Provide an appropriate response.What is the rule for multiplying a decimal number by 100,000?
What will be an ideal response?