Two years of a local internet service costs $685 including the installation fee of $85. What is the monthly fee

What is the number 321,000,000 in scientific notation? also what is the number? ?

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?

Which is the correct first step in finding the area of the base of a cylinder with a volume of 26x cubic meters and a height of 6.5 meters? v=bh 6.5=b(26x) v=bh v=26pi+(6.5) v=bh v=26pi(6.5) v=bh 26pi=b(6.5)