Which expressions are polynomials?
select each correct answer.
30y2+x
30y2+x12
30y2x
30y2

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

1. what expression would be the same as 6x+x+0 2. find the prime factorization of 60 3. write the expression for 6 + x in words.

Part a: sam rented a boat at $225 for 2 days. if he rents the same boat for 5 days, he has to pay a total rent of $480. write an equation in the standard form to represent the total rent (y) that sam has to pay for renting the boat for x days. (4 points)