Solve for c. ab + c = 5

c = 5/ab
c = 5 + ab
c = 5 - ab
Please explain how you got your answer.

What situation is an example of an observational study

Atorch and a battery cost 2.50 altogether.the torch costs 1.50 more than the battery.what fraction of the total price is the torch? give your answer in its simplest form.

What fraction is equivalent to 0.46464646··· a. 46⁄999 b. 46⁄100 c. 46⁄99 d. 23⁄50