Answer:
Step-by-step explanation:
add the 56 by 59 the make the divide wth the numbe and thenadd with it 65
Answer: -21 + -18t
Step-by-step explanation:
-3(7+6t)
-3 x 7= -21
-3 x 6t= 18t
Answer: (3, -2) i believe
Step-by-step explanation:
Answer: A) 35
Step-by-step explanation:
We have the following:
Now, 
is made up of two factors, 
and 
:
So, we have to choose a number for x containing a factor of and or . In this case, the best option is 
:
Hence:
Finally:
Answer:
A: 171.75
B: 170
Step-by-step explanation:
The mean (or average) can be found by...
- add all the numbers together (we will call this y)
- divide the total sum (or y) by the total amount of numbers used to add
Formula:
(x₁ + x₂ + x₃ + ... + xₙ) ÷ n
For A:
(172 + 130 + 173 + 212) ÷ 4 = 171.75
For B:
(136 + 184 + 168 + 192) ÷ 4 = 170
