Answer:

Step-by-step explanation:
Slope/Gradient = 
P = (-8 , 3) (x1, y1)
Q = (-6 , 2) (x2, y2)
Slope =
=
=
= 
Answer:3/4
Step-by-step explanation:
if you divide 21 by 28 you get 3/4
The sequence is by "multiply by 2"
Answer:
It is 6. The student who got a two did not use order of operations.
Step-by-step explanation:
PEMDAS
You must do division before subtraction. 4/2 = 2.
8 - 2 = 6
You would need to use a calculator.
1 11/16 = 27/16 = 1.6875
Now multiply 100 to it to make it a percentage:
1.6875 x 100 = 168.75
So your answer is 168.75 %