What is -3 - 15. can you please solve this for me.

The time spent dancing (minutes) and the amount of calories burned can be modeled by the equation c= 5.5t which table of values matches the equation and includes only viable solutions

Out of 50 students surveyed, 16 have a dog. based on these results, predict how many of the 280 students in the school have a dog.

Fill in the table with whole numbers to make 430 in five different ways