Answer:
-14.25, -8. 2 karma -2.3, 4.75
The average of all of them is the same as the average of the first and last, the same as the middle number in the group:
1 + n
Answer:
(x,y) across the y axis is (-x,y)
Step-by-step explanation:
When reflected across the y-axis, the x coordinate in the opposite.
Mary added
cups of sugar.
<h3>
How to estimate how much sugar should Mary add?</h3>
The ratio of flour to sugar exists at 9 cups: 2 4/7 cups
Utilizing equivalent ratios, given that 7 cups of sugar was utilized,
Let cups of flour needed = x such that our equation becomes
flour/sugar
Convert mixed numbers into improper fractions

simplifying the above equation, we get

= 
x = 24.5
The value of x = 24.5.
Therefore,
cups of sugar exist required.
To learn more about improper fractions refer to:
brainly.com/question/387381
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