Simplify. (x−4)(x^2−3x−9)

Abus ride for a senior citizen cost $1.25. a monthly pass costs $35. write and inequality that represents the number of times a senior citizen must ride the bus for the monthly pass to be a better deal.

Stephen thublin invests $1,000,000 in a 45-day certificate of deposit with 6.55% interest. what is the total interest income from the investment?

The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.