Meet Purple. She's a square that can have side lengths that are NOT integers. Imagine Purple's area is 40 square units.

What do you think her side length could be? Type your answer in the box.

Lorne subtracted 6x3 – 2x + 3 from –3x3 + 5x2 + 4x – 7. use the drop-down menus to identify the steps lorne used to find the difference.

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?

Y+ 2/y is it a polynomial in one variable or not? and if so, why?