Please help me please I really need help please In sexually reproducing species, the number of
chromosomes in each body cell remains the same
from one generation to the next as a direct result of.

A.
meiosis and fertilization
B. mitosis and mutation
C. differentiation and aging
D. homeostasis and dynamic equilibrium

Which function is odd check all that apply a. y=sin x b. y=csc x c. y=cot x d. y=sec x

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?