A) 9.06 is the square root of 82
b) a. he evaluated 82/2 instead of evaluating the square root of 82
Answer:
The volume is 1436.8
.
Step-by-step explanation:
-To find the volume of a sphere, you need the formula:

-Use the radius for the formula:

-Then, you solve:

×
× 
× 

-Round the answer to the nearest tenth:

So, therefore the volume is 1436.8
.
B. X,2X,3X cuz the sum of X and 2X is 3X
Answer: (1,4)
Step-by-step explanation:
Given
Equation of line is 
(-1,1) is the solution of the equation
Take x=1 and substitute it in the above equation

So, another pair of the solution is (1,4)
Answer:
9, -3
Step-by-step explanation: