Solve f(x) = g(x). Find the points of intersection of the graphs of the two functions.f(x) = x2 + 6x + 23g(x) = 23
A. x = 
B. x = -6, x = 0
C. x = 0, x = 6
D. no real numbers
Answer: B
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Solve the problem.Megan is having her yard landscaped. She obtained an estimate from two landscaping companies. Company A gave an estimate of $240 for materials and equipment rental plus $55 per hour for labor. Company B gave an estimate of $320 for materials and equipment rental plus $45 per hour for labor. Determine how many hours of labor will be required for the two companies to cost the same.
A. 7 hours B. 12 hours C. 8 hours D. 11 hours
Solve the variation problem.The weight of a liquid varies directly as its volume V. If the weight of the liquid in a cubical container 
on a side is 192 grams, find the weight of the liquid in a cubical container 5 cm on a side.
A. 105 grams B. 15 grams C. 125 grams D. 375 grams
?omplete the table for the radioactive isotope.
Isotope
Half-life(years)
Initial Quantity
Amount after 1000 years
5715
----
2 g
A. Initial Quantity: 
B. Initial Quantity: 
C. Initial Quantity: 
D. Initial Quantity: 
E. Initial Quantity: 
Find the percent. Round to the nearest tenth of a percent.$18.61 is what percent of $696.61?
A. 3743.2% B. 374.3% C. 2.7% D. 27%