Simplify (7x) - (-2x).

How can 225% also be expressed as a fraction or mixed number? Express in simplest form.

Let f (x) = - x - 1 and g (x) = x2 + 4. Find (fog) (0)

Ashok invested $26400 on 12%,25 shares of a company. If he recieves. a dividend of rupees 2475. find the number of shares he bought and market value each share

A local store's clearance rack is full of DVDs selling for $8 each and CDs selling for $6 each. Let x represent the number of DVDs, and let y represent the number of CDs.

What is the answer to zero divided by zero?

Sasha has nickels and one dollar bills in her pocket. The number of nickels is nine more than three times the number of one dollar bills. Let 0 represent the number of one dollar bills. Write an expression for the number of nickels.

How do you find mass volume and density?

A book has a list price of $39.99, but the bookstore receives a 40% discount from the publisher. How much does the bookstore have to pay per copy of this book?

What is 60% of 33 ... ?

A candle is 6 inches tall and burns at a rate of 1/2 inch per hour. How tall will if be in 6 hours?