Answer:
the 2 one is a linear and the rest are non
I would recommend combing like terms (ex- 10x-9x=x) so it could be 15x^2+x-6 . I recommend using something like mathpapa to show you step-by-step how to do it, and if you know, then it just gives you a quick answer
Answer:
-48
Step-by-step explanation:
(-12)•4 = -48
Just turn the percentage to a decimal. 145% becomes 1.45. Then add 1.00 to 1.45. 1 + 1.45 = 2.45
Then multiply. 2.45 * 340 = 833