Hey there, Simmonsalivia!
It seems that you are in a hurry so I will make it quick without explanation.
1)

or

2)

or

3) 11
4)

or

5)

or

6)

or

7) 4
8)

or

9)

or

10) 23

tablespoons of ground coffee.
11) She used

amount of flour in total.
12)

or

13) 4
14)

or

15)

or

16)

or

17)

or

18)

or

19)

or

20)

or

21) Ty needed 7 paving stones.
22) Besides the top block, they needed 25 blocks to build the tower.
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Jerry had 36 goldfish and 9 friends he dived the gold fish evenly between his 9 friends
Answer:
The standard error of the mean = 5.14 mins
Step-by-step explanation:
Number of random sample (n) = 20
Mean(X) = 31.25 mins
Standard deviation (α) = 23.7 mins
Standard error of mean =
standard deviation / √sample size
= 23.7/√20
= 23.7/4.4721
= 5.14 mins
In step 2 .. because when you multiple by -4 in step 1 , the equation in step 2 will be ( -4y =-16 + 8z)