Answer:
y ≤ -21
Step-by-step explanation:
y+6≤-15
y≤-21
Hope this helps!
M(2,-4), N(-2,4)
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Jacob is incorrect. The transformation was no a reflection, but a translation. The transation was (x+11,y+6)(11 units rigth and 6 units up). (Explain what the points would have been if it was a reflection across the x-axis)
<u>Answer:</u>
96
<u>Step-by-step explanation:</u>
Let's assume that the marks needed in the next exam is
. Then if the average becomes 90,

Now we can simply solve for
:
⇒ 
⇒
[Multiplying both sides by 4]
⇒
[Subtracting 264 from both sides]
⇒ 
Therefore, you need to score 96 in your next exam to have an average of 90 on the four exams.
It depends on what location the sun is setting. For example, in the east side of the North America, the sun may set near 7pm to 7:30pm now that we are in summer, but in Europe, the sum may set at 8pm