Answer:
The equivalent expression is c
Step-by-step explanation:
You need to factorise 4(2x-6)
So multiply 4 by the numbers in the brackets:
4*2x=8x
4*-6=-24
And the answer is 8x-24
Answer:
C. (n₁ + n₂ - 2) degrees of freedom
Step-by-step explanation:
The t-test for difference between two mean when variance are equal is:

where ,
= Mean of Sample 1
= Mean of Sample 2
s = standard deviation
n_1 = size of Sample 1
n_2 = size of Sample 2
and t is Student's t-test with (n₁ + n₂ - 2) degrees of freedom.
One movie ticket coast 9 dollars.
It is in the hundredths place