Can some one me with these to math problems

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

Apositive number a or the same number a increased by 50% and then decreased by 50% of the result?

Drag each equation to the correct location on the table. for each equation, determine the number of solutions and place on the appropriate field in the table.