21x cubed - 18x squared y + 24xy squared

The mean annual salary for employees at a company is $39,000. At the end of the year, each employee receives a $3000 bonus and a 9% raise (based on salary). What is the new mean annual salary (including the bonus and raise) for the employees?

Explain how to estimate 458+322 two different ways

Find the sum of the first 50 terms In An = 3n + 2

What is the difference between 1/4 and 2/3

What is the domain of range of y=-2x+3

Edin has £300 in his savings account. His bank offers him a fixed 5% simple interest rate per annum, for a period of 3 years. How much interest will he have earnt after 3 years?

He is driving a truck traveling 45 mph and Adriana is riding a train traveling 60 mph. They both cover the same distance, and Jayden travels 2 hours longer than Adriana. How many hours did each person travel?

Explain how using equivalent ratios is like adding fractions with unlike denominators

A van has 6 students and 2 teachers how many vans are needed for a total of 48 students and 16 teachers

Lucas is applying to both Stanford and Cal-poly. The probability that he gets accepted to Stanford is 0.4. The probability that he gets accepted to Cal-Poly is 0.3. The probability that he is accepted to both schools is 0.15.