Two lines L1 and L2 pass through the point of intersection
2y = x-13 and 3y+x+12=0 L1 passes through P(-4, -7 ) and
L2 is perpendicular to 2x - 5y=4.
find the acute angle between L1 and L2.

Nick estimated that 5/8+4/7 is about 2.explain how you know his estimate is not reasonable plz and fast i will give 50 points

1. are the triangles similar and if so why? what is the value of x? show your work.

Idont understand math at all! : o( use this scenario to answer the remaining questions: brenton purchased a new bedroom set for $4,500.00. he lives in arizona and pays a 8.75% sales tax. if he made a 50% down payment and financed the rest, what amount did he finance? what is the total sales tax brenton will pay? enter your answer in currency format, round to the nearest cent. what was brenton's total amount financed? enter your answer in currency format, round to the nearest cent.