Give all of the possible numbers that could be hals mystery one-digit number

Chip worked at the animal shelter for 6 hours each week for several weeks. he worked for a total of 42 hours. which of the following can be used to find the number of weeks chip worked at the animal shelter?

If your teacher tells you to do questions 6 through 19 in your math book for homework, how many questions is that

Find two consexutive odd integers such that the sum of their square is 650