The big dog weighs d pounds the puppy weighs half the amount

Classify the following triangle check all that apply

Cody ran nine miles on his first day of training. the next day he ran 1/8 that distance. how far did he run the second day?

The weekly amount spent by a company for travel has an approximately normal distribution with mean = $550 and standard deviation = $40. a) what is the probability that the actual weekly expense will exceed $570 for more than 20 weeks during the next year? (note: one year = 52 weeks) b) what is the probability that actual weekly expenses exceed $580 for 10 or more, but 16 or fewer weeks during the next year?