What was Miss D's speed if she traveled 6 km in 3 hours? YOU MUST SHOW WORK IN YOUR ANSWER: example below to get full credit 1. Formula : 2. Substitution: 3. Answer with units:

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?

An air conditioning system can circulate 350 cubic feet of air per minute. how many cubic yards of air can it circulate per minute?

1.two more than the quotient of a number and 6 is equal to 7 use the c for the unknown number translate the sentence into an equation