How many five digit numbers can be formed using digits 0-6 if repetitions are not allowed?

What is the least common multiple of 10, 98, and 7

A jar contains red, white, and blue marbles. One-fifth of the marbles are red and one-fourth of the marbles are white. THere are 20 red marbles in the jar. HOw many blue marbles are in the jar?

5x+7y=-11 and 5x-3y=19 solve by elimination

What is "a number that is at least 90"

What is the greatest product of a 2-digit number multiplied by a 1-digit number

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.