S, & nequalties: question 2expand the following expression 5x(3 - 7y)select one: 0 152 - 3577o 152-70 20xy0152 – 35

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?

Why is x= 4 a solution to the proportion 14/x 56/1 6

Aof 12 , we to a of 4 to on a .of 4 be ?