After the first 15 minutes of laying down the cement, you have used two-fifths of the bag. What is the rate you are laying cement in bags per hour? What is the unit rate?

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

What properties allow transformation to be used as a problem solving tool

For f(x) = 3x+1 and g(x) = x2 - 6, find (g/f)(x)