Answer:
multipy
Step-by-step explanation: use calculater
Answer: 1- quadrant 1 or top right
2- quadrant 4 or bottom right
3-quadrant 3 or bottom left
Answer: m²-mn
Explanation: multiply the letter outside the brackets by everything inside the brackets, so, m×m = m² and m×n = mn, altogether it is m²-mn.
Set up a proportion:
2 x
-- = --
5 10.5
Then just solve for x