Does the following system have a unique solution? why?
a) no, because the determinant of the coefficient matrix is 0.
b) no, because the determinant of the coefficient matrix is 12.
c) yes, because the determinant of the coefficient matrix is 0.
d) yes, because the determinant of the coefficient matrix is 12.

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