Answer:
General equation of a line:

then express in that form:

Answer: Mean-70. Standard Deviation-5.228
Step-by-step explanation:
Answer:
Right angle 90 degrees is always going to be a right angle.
Step-by-step explanation:
Answer:
{y | y = -9, -3, 0, 5, 7}
Step-by-step explanation:
i think thats the anwer