Using the same umbers 1-9 only once what is the greatest sum of two numbers

What is the equation of the graph below? y=sec(x)-4

Use set builder notation to represent the following set: { -3, -2, -1, 0}

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