Solve.Find the distance d(P1, P2) between points P1 = (7, -7) and P2 = (3, -5).
A. 2
B. 12
C. 12
D. 6
Answer: A
Mathematics
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Solve the problem.A certain radioactive isotope has a half-life of approximately 1450 years. How many years, to the nearest whole number, would be required for a given amount of this isotope to decay to 35% of that amount?
A. 901 years B. 942.5 years C. 2196 years D. 2161 years
Mathematics
Determine the sign (positive or negative) of the given value without use of a calculator.cos 
A. Negative B. Positive
Mathematics
Provide an appropriate response.Change 312 cm to hm.
A. 31.2 hm B. 0.0312 hm C. 3.12 hm D. 0.312 hm
Mathematics
Write the decimal number in binary form.87
A. 1011001 B. 1011000 C. 1010111 D. 1010101 E. 1011010
Mathematics