Can someone answer this question for me?

Find the area of a trapezoid with a height of 23, base 1 of 10 and base 2 of 18

If the slope of one line equals the slope of another line then ? a) the two lines are intersecting lines b) the two lines are perpendicular lines c) the two lines are parallel lines d) the two lines always have very steep slopes

What is the order of magnitude for the number of liters in a large bottle of soda served at a party