Hi! You need 3 boxes because if you divide 21 1/4 / 10 you get 2 1/8 or 2.125 so you at least have two boxes. You will still have some left over after the two boxes so you will need another box for those. I hope this helped, Goodluck :)
Multiply 2/3 by the reciprocal, 3/2, on both sides.
12/-30=8x
cross multiply
12x=-240
x=-20
Answer:
Step-by-step explanation:
the Gradient is (5,2)