5x-7y
4x and x combine to get 5x.
-5y and -2y combine to get -7y.
This is all done using the like terms method.
Answer:
a
Step-by-step explanation:
The mean of the data set is 42.
<h3>What is Mean?</h3>
The arithmetic mean is found by adding the numbers and dividing the sum by the number of numbers in the list.
Given:
20, 32, 34, 36, 40, 42, 44, 48, 55, 65
Mean = 20+32+ 34+ 36+ 40+ 42+ 44+ 48+ 55+ 65/10
Mean = 416 / 10
Mean = 41.6
Mean = 42
Learn more about mean here:
brainly.com/question/26999829
#SPJ1
Answer:
26m
Step-by-step explanation:
a^2+b^2=c^2
24^2+10^2=c^
576+100=c^2
676=c^2
√676=√c^2
26=c
