Question

Anyone know how to do this need all the help I can get.

Answer 1

12(2-(4-a²)÷7+b

12(2-(4-(5)²)÷7+1

12(2-(4-25)÷8

12(2-(-21)÷8

12(2+21)÷8

12(23)÷8

276÷8

34.5