Find the area of the shaded region.
A. ? + 2
B. ?
C. ? - 2
D. 2
Answer: C
Mathematics
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Solve the problem.A certain radioactive isotope decays at a rate of 2% per 100 years. If t represents time in years and y represents the amount of the isotope left then the equation for the situation is 
In how many years will there be 93% of the isotope left?
A. 700 yr B. 350 yr C. 363 yr D. 253 yr
Mathematics
Provide an appropriate response.Find d997/dx997 (sin x).
Fill in the blank(s) with the appropriate word(s).
Mathematics
Graph the linear inequality.3x + y ? -6
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A pendulum swings though an angle of 25° each second. If the pendulum is 55 inches long, how far does its tip move each second? If necessary, round the answer to two decimal places.
A. 24 in. B. 26.43 in. C. 22.15 in. D. 25.29 in.
Mathematics