Recipe ingredients remain in a constant ratio no matter how many servings are prepared. Which table shows a possible ratio table for ingredients X and Y for the given number of servings?
Servings
1
2
3
X Х
1
2
3
Y
2
3
4
Servings
1
2
3
Х
1
2
3
Y
2
4
8
Servings
1
2.
3
X Х
1
2
3
2
3
5
Servings
1
2.
Х
1
2
Y
2
4
2

Olivia uses the work below to determine 55% of 720 which explains the error in olivia’s solution

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. if a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. what is the margin of error of the sample mean? a. 0.086% b. 0.533% c. 1.11% d. 2.22%