Out of 5/8 3/9 10/20 6/13 2/12 8/16 5/6 9/12 15/30 and 8/15 wich ones are in simplest form

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?

Let f(x)=2x and g(x)=2x. graph the functions on the same coordinate plane. what are the solutions to the equation f(x)=g(x) ?me asap

Which number line represents the solution set for the inequality -1/2x> 24?