Standard deviation is the average distance between two points on the graph. If the standard deviation (sd) is high, then the variables relationship is more spread out and unlike one another. The smaller the sd, the closer and less varied the variables are.
The tools that were used by ancient mathematicians to make geometric constructions are compasses and straightedges. A compass is a drawing instrument used to draw circles and arcs. The straightedges on the other hand is a tool to check on the accuracy of a straight line.
The answer is first choice.
15 gallons is the best because you get 15 gallons for 48.75 and 2gallons for free
exp. 20gal for $70
50quarts= 12.5 gal for $33.50
15 plus 2 gal is 17 for 48.75 much cheaper
mark me as brainlest
Answer:
8.4
Step-by-step explanation:
Answer:
He rides for 1.6 hours.
Step-by-step explanation:
14.4 divided by 9 is 1.6
