Determine the type and degree of each of the following
expressions: 1. 9x^4 y^9 2. x^4 - 3x^2 + 7x^5 3. 19a^6b^2 + 8ab^3c - 27a^7

With alll of except for the 2 that i did already

Ineed your ! i was to turn this into pond first thing i gotta do is outline the inside with this plastic how big should i cut the plastic the height: 10 1/2” the length: 40” the width: 12” me !

1) prove that 731^3−631^3 is divisible by 100 2) prove that 99^3−74^3 is divisible by 25