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 92% of the isotope left?
A. 251 years
B. 800 years
C. 417 years
D. 400 years
Answer: C
Mathematics
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Write the given iterated integral as an iterated integral with the order of integration interchanged.
A. 
B. 
C. 
D. 
Mathematics
Consider the functions f and g as shown in the graph. Answer the question.What is the domain of f ? g?
A. {
-3 ? x ? 4}
B. {
-3 ? x ? 3}
C. {
-1 ? x ? 4}
D. {
-1 ? x ? 3}
Mathematics
Perform the division. Write the answer with positive exponents.
A. 3x3 + 25x11 - 40x9 + 25x7 + 7x6
B. 15x12 + 5x2 - 8 + 
+ 
C. 3x3 + 5x2 - 8
D. 3x3 + 5x2 - 8 + 
+ 
Mathematics
Provide the proper response.What is wrong with the statement "The line has no slope."?
What will be an ideal response?
Mathematics