Provide an appropriate response.Find the direction of the vector in standard position with end point (2, 7). Round to the nearest hundredth.
A. 0.02°
B. 15.95°
C. 74.05°
D. 16.60°
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
Give the degree of the polynomial.
?
?
A. 
B. 0
C. This is not a polynomial
D. No defined degree
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.(9
)(9
)
A. 567
B. 567
C. 81
D. 3969
Mathematics
Provide an appropriate response.The matrix for a strictly determined matrix game is given below. Determine if the game is fair or not fair.
A. Fair B. Not fair
Mathematics