Quadratic equation with irrational

How many three digit numbers can we make from the numbers 5, 6, 7, 9 if you can repeat the digits and use the digit 5 at least once?

A catering firm charges a fixed cost for overheads and a price per person. It is known that a party for 20 people costs $557, whereas a party for 35 people costs $909.50. What is the fixed cost and the cost per person charged by the company?

The measure of angle xx is 25 more than 4 times the measure of its complement. Find the measure of xx.

A car travels 474 miles using 15 4/5 gallons of gas how many miles did the car travel on each gallon of gas and how much gas did the car use to travel each mile

you missed a monthly payment on your mortgage your monthly payment is $1278 your mortgage holder place is 5% penalty on all late monthly payments what is your total penalty cost

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.