456 add 238
fx
7enght
7 eights
80% in it's simplest form
find 86 Q 5
write 84 as a product of prime factors
subtract the quotient of p divided by 3q from the cube of r
-a-c =0
b+c = -1
2a-b+c+d =0
-b-3c-d = 4
625/1250
