Answer:
4 -9/20
Step-by-step explanation:
separate whole numbers and fractions: 9-5, 3/10 - 3/4
then you subtract the whole numbers: 4
after that (what i mostly use that is easy for me is cross multiplication/ Butterfly method)
12 - 30
<u>3</u> - <u>3</u> = <u>-18</u> = <u>-9</u>
10 4 40 20
Answer:
The amount left after each group gets 14
Step-by-step explanation:
R1 means there is 1 left after dividing everything
The table is missing in the question. The table is provided here :
Group 1 Group 2
34.86 64.14 mean
21.99 20.46 standard deviation
7 7 n
Solution :
a). The IV or independent variable = Group 1
The DV or the dependent variable = Group 2
b).


Therefore, 

t = -2.579143
Now, 
df = 7 - 1
= 6
Therefore the value of p :

= 0.020908803
The p value is 0.0209

So we reject the null hypothesis and conclude that 
Yes the trip is worthwhile. If you save $50, but it takes you $10 in gas o get theready & $10 in gas to get back you still have $30 saved.