Sorry about my handwriting...
And I couldn't see thing whole thing...
Answer:
5+11i-16-4i+9i
5-16+11i-4i+9i
-11+7i+9i
-11+16i
Step-by-step explanation:
First, get the like terms together. Then add or subtract until its simplified. Simplified is -11+16i.
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B) The row categories are "Wears Glasses" and "Do Not Wear Glasses"
C) Two teachers do not wear glasses
E) Total of 6 teachers were polled
<u>Explanation:</u>
- In a class there are 129 students, among that 32 wear glasses, 97 don't wear glasses.
- There are 6 teachers in those 4 wear glasses and 2 do not wear glasses.
- Totally 135 present. In those 36 wear and 99 don't wear glasses.
<h2>
Answer with explanation:</h2>
Let x denotes the number of days and y denotes the total change in gas price ( in dollars).
Given : During the past seven days the price of regular gas is decreased by $0.2 each day.
Rate of decrease =$0.2 per day
Then , Total change in gas price = Rate of decrease x Number of days
i.e.
i.e.
(1)
To find the total change in gas price in 7 days , we put x= 7 in (1) , we get
Hence, the total change in gas price in 7 days = $1.4