Which rule must be used to find the number of strings of eight uppercase English letters that are there if the letters can be repeated?

Suppose you take out a 30 year mortgage for $210,488 at an annual interest rate of 3.8%. After 20 years, you refinance to an annual rate of 1.3% How much interest did you pay on this loan? Round answer to the nearest dollar.

One of the UK lottery systems consists of selecting six numbers from forty-nine for a one-pound stake. The winning numbers are drawn at random and the order is not important.

One of your trucks traveled 1200 miles on 55 gallons how many miles per gallon did the truck travel?

Solve the inequality equation 1-4 (7-6x) <141

What is the slope of the line represented by the equation y=- 5x? 0-5 or w/N wind 5

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.