1. A bone fragment has 10% of the parent Pb-210 remaining. The half-life of Pb-210 is 22 years. How old is the bone fragment? A. 0.2 years
B. 3.2 years
C. 73 years
D. 75 years

Aclass consists of 55% boys and 45% girls. it is observed that 25% of the class are boys and scored an a on the test, and 35% of the class are girls and scored an a on the test. if a student is chosen at random and is found to be a girl, the probability that the student scored an ais

If you double the input of a function and it results in half the output, and if you triple the input and it results in a third of the output, what can be guessed about the function? check all that apply.

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83