Simplify.
Rewrite the expression in the form b".
6^-2/6^4

Which of the following is most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

Awater truck is filling a swimming pool. the equation that represents this relationship is y=19.75x where y is the number of gallons of water in the pool and x is the number of minutes the truck has been filling the pool.