Answer:
I just summited it, it was "Her mean grade would go up".
Step-by-step explanation:
Answer:
4
Step-by-step explanation:
Lets start by plugging in our (a) value
a^2 + 5a + 4
(-5)^2 + 5(-5) +4
25 - 25 + 4
0 + 4
4 is your final answer!
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Hence, x = 0°, 180° and 360° <em><u>Ans</u></em>