Carbon-11 is used in medical imaging. The half-life of this radioisotope is 20. 4 min. What.

2(4p+1)/5< = (3+12p)/4 its less than or equal solve it for me an with explanation plz

Given: m∠apc = 27°, m dc = 27° find: m ab

Layer r contains a well-known index fossil that is 100 million years old. based on this information and the principle of superposition, a. layers t and m are older than 100 million years, and layers x and g are younger than 100 million years. b. layers t, m, x, and g are all older than 100 million years. c. layers t and m are younger than 100 million years, and layers x and g are older than 100 million years.