What do u add to 5 3/7 to make 7

Give an example of an addition problem in which you would and would not group an addends differently to add

Show work for GCF for 27 and 54 and 81

There are 11 students in our Science class left to give their presentations. Today we will have time for 6 presentations. How many different ways can the teacher choose the presenters?

You flip a coin 20 times and get tails 15 times you flip the coin 80 more times. what do you expect to happen to the experimental probability of getting tails as you increase the number of trials a.

Solve and show work l5x + 2l < 12

Jake has 12 liters of water. Name four different ways he can divide the water into buckets so each bicket has the same number of liters

Do you have to regroup 46-39

A bag contains 60 marbles of various colors. Shana draws 48 times, each time replacing the marble before drawing again. She gets a total of 8 green marbles. Which is best prediction of how many green marbles are in the bag? A. 4 B. 6 C. 8 D. 10

A company rents out 15 food booths and 20 game booths at the county fair. The fee for a food booth is $100 plus $5 per day. The fee for a game booth is $50 plus $7 per day. The fair lasts for d days, and all the booths are rented for the entire time.

In dogs, the drug carprofen has a half-life of 8 hours. If a veterinarian gives a dog an 80-milligram dose, how long will it take for the amount of carprofen in the dog to reach 10 milligrams?