Answer:
Step-by-step explanation:
we can write -9 instead of x and y=1 instead of 1
so we write solution again
-9a+1b=-31
-9a-1b=-41
-18a=-72
a=4
we should write 4 instead of a
-9(4)+1b=-31
-36+b=-31
b=5
a=4
Answer:
2
Step-by-step explanation:
this is the correct answer
The answer would be w= 7z/2 Isolate the variable but dividing each side by factors that don’t contain the variable
Answer: 44.7
Step-by-step explanation:
Mean= total sum of data set/ number of data set
313÷7
Mean = 44.7
The slope of the line
(5,6) slope= m=-1/3
