Find the measure of each angle

Plz answer asap! i will reward brainliest and 12 points for these three questions!take notice: these three questions are completely different! 1) what is the percentage of sugar in the syrup made of 10 kg of water and 4 kg of suugar? 2) what was the original price if after 10% discount it became $450? 3) at first a price was decreased by 12%, then it was disounted again by an additional 5%. what is the percent of the total discount? , and remeber i will award brainliest and 12 points!

(-y to the power of 2 - 4y- to the power of 2 -6 y +3)

Ebony is cutting dough for pastries in her bakery. she needs all the pieces to be congruent triangles and has ensured that line ef is congruent to line on and angle mon is congruent to angle gef what would ebony need to compare in order to make sure the triangles are congruent by sas? a. line om and line efb. line eg and line omc. line nm and fgd. line eg and line mn