The frequency of the data set that matches with the interval stated are:
50 - 54: 2
55 - 59: 6
60 - 64: 7
65 - 69: 3
70 - 74: 2
<h3>What is a Frequency?</h3>
Frequency is the number of times a data point or a set of points within an interval appears often in a data set.
The corresponding frequency to each of the interval given for the data would be as follows:
50 - 54: 2
55 - 59: 6
60 - 64: 7
65 - 69: 3
70 - 74: 2
Learn more about the frequency of a data on:
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I hope this helps. Use the formula: 4•3.14 (pi) •9 squared
A decrease in the ratio 4:5 implies that :
New quantity:Old quantity = 4:5
Let the new quantity be 





So, the new quantity is 32
Hi there!
3/4 of sugar is needed for 6 servings.
1/8 x 6 = 6/8 simplify it and you get 3/4.
So 3/4 is your answer.
Hope this helps ;D
Answer:
60
Step-by-step explanation:
When you substitute 15 in for y, you get the equation 4(15) which is the same as 4×15. And 4×15=60. Hope this helps! :)