Amanda gets 40 miles per gallon in her car. The gas tank in her car holds 16 gallons of gas. Amanda drives 20 miles each day. She thinks that she can go a whole 30 days without putting any additional gas in her gas tank. is Amanda correct?

Bruce is getting materials for a chemistry experiment his teacher gives him a container that has 0.25 liter of liquid in it. bruce need to use 0.4 of this liquid for the experiment. how much liquid will bruce use?

In the rectangle below ac=30 units what is de

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?