Answer:
1350
Step-by-step explanation:
Hope this helps!
Is there supposed to be an x before 4x?
A. Corresponding parts of congruent triangles are congruent.
First set 2n-1=4n+5 and solve for n. once you have n plug it back into each equation and then multiply those two together. Do the same to n-3 and 2n+1. Once you get the answer to both subtract them