Bill weighs 240 pounds and is losing 2 pounds each week. Phil weighs 150 pounds and is gaining 4 pounds each week. At how many weeks will the two men weigh the same amount?

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?

Last week jason walked 3 1/4 miles each day for 3 days and 4 5/8 miles each day for 4 days. about how many miles did jason walk last week?

Will mark brainliest! ( explain the answer too, it can be one sentence)