Answer:
2
Step-by-step explanation:
hope this helps
The temperature dropped meaning it got lower. Subtract the amount of the drop from the starting temperature:
-4 - 10 = -14
The temperature was -14
5x^2-45=0
<em>*Add 45 to both sides*</em>
5x^2=45
<em>*Divide both sides by 5*</em>
x^2=9
<em>*Take the square root of both sides*</em>
x=+/-9
Hope this helps!!
