Least common multiple of 7 8 and 9

A store charges their customers based on the number of items that they buy. Jane bought four items and was charged $15 and George bought twelve items and was charged $39. Write a function to model the cost based on the number of items you buy.

A bag has 1 red, 3 blue, and 4 green marbles. Outcome A is drawing a green marble on the first draw. Outcome B is drawing a green marble on the second draw without replacing the first marble. What is P (B|A) ? P (B|A) = ?/?

Solve: X=4 + (4x-4) N- 0 0 o X = 2 x = 10 x = Ror x = 10 no real solution DONE

A hungry elf at 32 of your muffins. That was2/3 of all of them! How many are left?

What is the value of the 9 in 0.389

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.