Working together, it takes two computers 15 minutes to send out a company's email. If it takes the slower computer 40 minutes to do the job on its own, how long will it take the fast computer to do the job on its own?

Find the given elements if matrix d:

How many real and imaginary solutions does the equation x^2-3x=-2x-7 have?

If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.