I really need help with this

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

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height

Write an inequality for this sentence the quotient of a number and -5 increased by 4 is at most 8