Gabriella wants to tile a room with an area of 320 square feet. the width of the room is 4/5 its length. what are the length and width of the room?

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

The graph of y = ax^2 + bx + c is a parabola that opens up and has a vertex at (0, 5). what is the solution set of the related equation 0 = ax%2 + bx + c?

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.