Rationalize the denominator.
A. 
B. 
C. 
D. 
Answer: C
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Work the application and answer with a complete sentence.Each box of matches contains 180 matches. Boxes of matches are shipped in cartons. Each carton contains 15 boxes of matches. How many matches are in each carton?
A. There are 270 matches in each carton. B. There are 12 matches in each carton. C. There are 2700 matches in each carton. D. There are 195 matches in each carton.
Solve the problem.Find the half-life of the radioactive element radium, assuming that its decay constant is 
with time measured in years.
A. 1400 years B. 1600 years C. 800 years D. 2308 years
Find all real numbers that satisfy the equation.tan 4x = 0
A. 
B. 
C. {x 
x = 2k?}
D. {x 
x = k?}
Solve the problem.A grocery store estimates that the weekly profit (in dollars) from the production and sale of x cases of soup is given by 
and currently 1100 cases are produced and sold per week. Use the marginal profit to estimate the increase in profit if the store produces and sells one additional case of soup per week.
A. $5.36 B. $5.52 C. $2453.00 D. $7.23