What is 2(log38+logzz)-log3(34 – 72) written as a single logarithm?

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?

Mis the midpoint of rq if rm equals 2x + 5 and mq equals 4x - 9 what is the length of rq

Ineed to know the ordered pairs for this equation i need the answer quick because it’s a timed test