A copy machine can print 480 copies every 4 minutes. For each question, explain or show your reasoning.
a. How many copies can it print in 10 minutes?
b.
A teacher printed 720 copies. How long did it take to print?
Write your answer and explain or show your reasoning
below

Given the following sampling distribution of one mean with a sample size 49, from a normally distributed population,find the population standard deviation, o.79828588912497

What expression is equivalent to 42x-56y

Cody started biking to the park traveling 15 mph, after some time the bike got a flat so cody walked the rest of the way, traveling 4 mph. if the total trip to the park took 6 hours and it was 46 miles away, how long did cody travel at each speed? solve using rate times time= distance