Chan rows at a rate of 8 mph in still water. It takes him three hours to row upstream from his house to the park. He rows back home, and it takes him two hours. What is the speed of the current?

Stores often mark up items each year to cover inflation. Last year, a CD at Juan's Tunes cost $12.95. This year, the cost was marked up 8%. The store also gave anyone who bought four CDs this year a 10% discount.

Write an algebraic expression for: One-half of the sum of a number and 9.

Jill made a wooden square box. all sides of the wooden box are 8cm. if she wants to increase the length off all sides by 1.4cm, what will be the perimeter and area of the new box?

Florence took a taxi from the airport to her home. She tipped 20% of the fare, which brought the sum of the original fare plus the tip to $54. How much was the original fare?

We're does the decimal go in the number2445

The beginning balance of a credit card account is $500. The monthly interest rate is 0.012. If a payment of $100 is made on the last day of the month, what is the ending balance?

If 25% of an item is $17.00 what is the original price?

Slope and y intercept

A website requires a 7-digit password. How many different passwords can be made using the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 if each number can only be used once? A. 120 B. 70 C. 5,040 D. 604,800

What is the solution for x in the equation? 3x - 42 = - 6x + 21