Answer:
: Stroke Brain cells do not get the nutrients they need if blood flow to the brain …
Step-by-step explanation:
It’s the second one, (10,-9)
This is a sampling technique used when natural groupings are evident in a statistical population. It is often used in marketing research.
The associative property states that we can add numbers in any way we want to still get the same sum, so the parenthesis here can essentially be tossed out to get 3x+2-5=3x-3. However, make sure, for example, that you don't add x and 1 together in 3(x)+1 as you still have to multiply the x with 3 before adding the 1 according to PEMDAS
