Using the image below, find the x value for the point that divides the line segment ab into a ratio of 2: 3. a is at negative 4, 6 and b is at 5, 1.
a. −1
b. −0.4
c. 0
d. 0.5

Which of the following would most likely be key to gathering evidence that the rna world hypothesis is valid? creation of suitable environments for long-term study of single-celled organisms simulation of early earth conditions and long-term study of the resulting molecules development of a system for studying the microsphere's ability to absorb additional molecules categorization of the different specific conditions that result in the development of microspheres

Nucleic acid certain protein cell membranes certain carbohydrates

Isolated volcanic peaks on the ocean floor are