If a girl could get some ratings, what would she get?

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

Billie holiday sells children's clothing for sara vaughn's toddler shop. baby blankets sell for $29.99 after a markup rate based on cost of 109%. find the cost and the markup.

Prove that 16^4-2^13-4^5 is divisible by 11.