Find the solution set for the given inequality if the replacement set is {3,4,5,6,7} 3x + 1 _< 16 btw, the < goes on top of the _ ( pl)

Lilianna uses 3/4 calories per minute just by sitting. she uses 1 more calorie per minute by walking. lilianna uses a total of 12 1/4 calories walking to the park. lilianna uses the equation, d(.75+1)=12.25 to represent the situation. what does the variable d represent in the equation?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

If you answer 2+2 you will get over 80 points