210 : 65
----------------------
42 : 13 is the ratio of 210mm long and 65mm wide
----------
<span>divide both numbers by 5</span>
Answer:
y=1/x -9
Step-by-step explanation:
It would be 50 times because 15 divided by 3 is 5 and you just add your 0 back and get 50! hope this helps!
Like terms are similar in exponents.
12x^2 can be combined with -3x^2
9x^3 with -5x^3
-8x^4 is on its own
Final=
-8x^4 + 4x^3 + 4x^2
