PLEASE HELP ONLY IF YOU KNOW THE ANSWER.

Tomas is making trail mix using granola and walnuts. he can spend a total of $12 on the ingredients. he buys 3 pounds of granola that costs $2.00 per pound. the walnuts cost $6 per pound. he uses the equation to represent the total cost, where x represents the number of pounds of granola and y represents the number of pounds of walnuts. he solves the equation for y, the number of pounds of walnuts he can buy. answer- b tomas added 6 to both sides of the equation instead of subtracting 6. just took the test

Simplify 24÷(-2)(3)+7 a. -29 b. 3 c. 11

If g^-1(x) is the inverse of g (x) which statement must be true