Angle C, it sounds obvious but they correspond to the angle in the same order as them, as both E and C are in the middle it has to be C.
The answer it -2
:::::::::::::::::::::::::::::::::::
Need more info, also correct grammar
New price = <u>90 dollars</u>
<u></u>
25% of 120 = 30
Price is reduced 25% from 120 so,
120 - 30 = 90
Amount of discount = 30
<span>−3(1.5n−1) is correct </span>