Answer:
I Don't know either
Step-by-step explanation:
I know
The first 3 are correct but for the last one I’m not sure
Answer:
r = 
Step-by-step explanation:
The common ratio r is calculated as
r = 
= 
= 
=
Answer:
a + 20 = 7*12 (multiplied both sides by 12)
a + 20 = 84 (calculated 7*12)
a = 84 - 20 (subtracted 20 on both sides)
a = 64 (calculated 84-20)
Answer:
The answer is "88.9%"
Step-by-step explanation:
The Variance percentage indicates through the REgression equation but, the R-Square, it becoming the determination coefficient. 88.871% of the variance could be explained according to the above results.
