Granola bars cost .45 cents, gum cost .35, and crackers cost .50 cents. lauren buys two different items. she pays with a $1 bill and receives 3 of the same type of coin as change. what did she buy and what did she received as change?

3

step-by-step explanation:

the height of the surface increases from the center out to the sides of the road.

step-by-step explanation:

as we move out we move away from the x-axis.

and as mentioned in the problem statement that height of a road increases when we move away from the center x.

hence proved that 3rd option

the height of the surface increases from the center out to the sides of the road.

is the correct option.

i don't think there is enough