i still need help finding angle 1 and 2

Write the slope intercept equation for line ab.

Linda and ralph have signed a contract to purchase a home. the closing date is april 27, and the buyer owns the property on the day of closing. the selling price of the home is $782,500. linda and ralph obtained a fixed-rate mortgage from a bank for $685,000 at 7.35% interest. the seller has already paid $14,578.15 in property taxes for the coming year. how much will linda and ralph owe in prorated expenses? (3 points) $64,925.65 $34,347.06 $10,496.82 $9,945.06

Solve the system by substitution. if the system is inconsistent or has dependent equations, say so. 5x-6y=-27 -5x+y=0