1. x = 3, y = 2
2. x = -99/68, y = -14/17
3. x = -4, y = 1
4. x = 1, y = 5
5. x = -1, y = 0
6. x = 2, y = -3
7. x = 14, y = 20
I attached the pictures with the work.
Answer:
24
Step-by-step explanation:
of means multiply
48% * 50
Change to decimal form
.48 * 50
24
Answer: the 6th person is 23
Step-by-step explanation
The mean is the average of the numbers. It is easy to calculate: add up all the numbers, then divide by how many numbers there are. In other words it is the sum divided by the count.
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D, they add up to 90 degrees so they are complementary