Simplify:   (–9)  •  (8) – (9)  •  (–9) available answers 53 –11 –9 9

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.

If there is 20 dogs in the shelter and 5 dogs get homes, and then 43 more dogs come. how many dogs are there in the shelter?