Answer:
1
Step-by-step explanation:
when dividing numbers with exponents with the same base, subtract the exponents.
7 - 7 = 0
= 
anything to the power of 0 is 1
= 1
Answer:
x=22
Step-by-step explanation:
180-48=132
360-132=228
25+85+228=338
360-338=22
Answer:
8r+16r=24r
Step-by-step explanation:
(5x+5)(x+2) , is the factorised form. I'm pretty sure..I don't know for sure though.