Answer:

Step-by-step explanation:

Adding 9x & 3x gives 12x.

Now taking 4 common from both the terms , we get :-

Answer: x^2 + 19
Step-by-step explanation: Cancel out x^2 and add 7 and 12 together. 7 + 12 = 19. Next plug in x^2. So, its now x^2 + 19.
Hope this help!
She rode one ride every two.hours..sorry if i couldnt help
321.5 is between ___321_____ and ___322_____ on the number line.
Answer
B
321 and 322