It's 225 hope this helps put brainliest answer need to get to the next rank
Answer:
b. 8.29
Step-by-step explanation:
Hello!
The objective is to study both processes to see if there is any difference between the costs of manufacturing.
An ANOVA was conducted for the variable:
Y: cost of manufacturing automobile transmissions
Factor: Process
Treatments: 1 and 2
The statistic for this test is

Where
k= number of treatments
n= total number of observations
Degrees of freedom of the treatments: k-1= 2-1= 1
Degrees of freedom of errors: n-k= 20-2= 18
The critical region for this analysis is <u>always</u> one tailed to the right.

I hope this helps!
Make bottom number same
ok, so remember
(a-b)(a+b)=a²+b²
so
to get from (y-x) to (y²-x²), multiply 2nd fraction by (y+x)
so multiply 2nd fraction by (y+x)/(y+x)

=

=
Answer: -3x-5y
Step-by-step explanation:
Answer: He made $612 for sold 204 erasers this week.
Step-by-step explanation: