Solve using substitution.

y = x + 2

y − x = 8

sec. 8.2 #30

solve using the elimination method.

5x − 3y = 8

-5x + y = 4

i tried solving but the x's in the first problem cancelled each other out and now i'm confused

Identify whether the figure has plane symmetry, symmetry about an axis, or neither.

Asailor is looking at a kite. if he is looking at the kite at an angle of elevation of 36and the distance from the boat to the point where the kite is directly overhead is 40 feet, how high is the kite?

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!