Step-by-step explanation:
How are we supposed to help...?
Answer:
A) y=4.71x-214.72
Step-by-step explanation:
Using the TI-84 gave me the linear regression
I'll help.


↓


"How it can be 57 ?"
The number 19 is multiplied by the number 3 at the bottom left.
19 × 3 = 57.
Answer:
irrational
Step-by-step explanation:
pi itself is irrational, so adding something to it makes no difference
Answer:
D
Step-by-step explanation: 5 16 4 17