Suppose a scientis cools 3 gases will the temperature be negative or positive

You are saving to buy a bicycle; so far you save 55.00. the bicycle costs 199.00. you earn 9.00 per hour at your job. which inequality represents the possible number of h hours you need to work to buy the bicycle?

Find the volume of the wedge cut from the first octant by the cylinder z=12-3y^2 and the plane x+y=2.

What is the length of ac in the given triangle?