A train travels 72 km, north along a straight track in 28 minutes. What is the train's average velocity in kilometers per minutes?
A. 28 Km/mins
B. 2.57 Km/mins
C. 0.389 Km/mins
D. 100 Km/mins

I’m doing some practice exam questions for biology, and i’m not sure how to do these 3 parts to the question.

Talking listening and reacting non verbally are all part of communicating

4. rat liver is able to metabolize glucose by both the glycolytic and the pentose phosphate pathway. which of the following are properties of both the glycolytic and pentose phosphate pathway? a. nad+ is involved b. co2 is liberated c. phosphate esters are intermediates d. glyceraldehyde 3-phosphate is an intermediate e. fructose 6-phosphate is an intermediate4. rat liver is able to metabolize glucose by both the glycolytic and the pentose phosphate pathway. which of the following are properties of both the glycolytic and pentose phosphate pathway? a. nad+ is involved b. co2 is liberated c. phosphate esters are intermediates d. glyceraldehyde 3-phosphate is an intermediate e. fructose 6-phosphate is an intermediate