Add.
A. 131,353
B. 129,253
C. 130,353
D. 130,253
Answer: D
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Find the derivative of y with respect to x, t, or ?, as appropriate.y = ln 4x
A. - 
B. - 
C. 
D. 
Write as a percent.0.1554
A. 15.54% B. 0.01554% C. 1.554% D. 155.4%
Divide, if possible. Write the answer in simplest form.
÷ 0
A. Undefined
B. 1
C. 0
D. 
Solve.Andrea is having her yard landscaped. She obtained an estimate from two landscaping companies. Company A gave an estimate of $180 for materials and equipment rental plus $45 per hour for labor. Company B gave and estimate of $270 for materials and equipment rental plus $30 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. 6 hours B. 10 hours C. 5 hours D. 9 hours