Prove that interior angles 1 and 3 are congruent when the lines are parallel with a transversal. MUST WRITE A GEOMETRIC PROOF TO PROVE IT. PLEASE ANSWER ASAP, DUE IN HALF A HOUR

Given: △abc, ab=15, bd=9 ad ⊥ bc , m∠c=30°. find: the perimeter of the triangle.

What is the factored form of the following expressions? d^2 – 13d + 36

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!