Answer:
A
Step-by-step explanation:
y bar basically means the average of the y-values.
To get the average, we add up all the y-values in the table and divide by the total number of values (here we have 5 values). Hence,
y bar = 
correct answer is A
Answer:
if a is perpendicular to b then four 90 degree angles are formed
Step-by-step explanation:
if a line is perpendicular to another that means that it forms a 90 degree angle on all of the angles
9.921 rounded to the nearest 100th is 9.92
Answer: From Figure A to Figure B it’s 1/2
Step-by-step explanation:
Count the squares around each triangle and then divide the larger number by the smaller one
Answer:
The answer would be C) x < - 2
Step-by-step explanation:
I have attached a picture that shows how the number line looks like!