2. Target sells a pack of paper plates at a price of 75 plates for $21.50. What is the unit rate for each plate? *
help ASAP

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

The parabola opens: y=√x-4 (principal square root) up down right left

Is a positive integer raised to a negative power always positive