Ellen needs to buy 180 inches of ribbon to wrap a large present. the store sells ribbon only in whole yards. how many yards does ellen need to buy to have enough ribbon?

Ahigh definition tv cost $800 with a down payment of 2/5 of the cost. how much is left to pay, in dollars after the down payment has been made?

State if the two triangles are congruent. if they are, state how you know?

Find the directions in which the function increases and decreases most rapidly at upper p 0p0. then find the derivatives of the function in these directions. f(x, y)equals=x squared plus xy plus y squaredx2+xy+y2, upper p 0p0left parenthesis 1 comma negative 4 right parenthesis