How to solve - 6x-5y=18

-5*+2y=22

There are 27 red or blue marbles in a bag. The number of red marble is 5 less than 3 times the number of blue marbles. How many red marbles are in the bag? How many blue marbles are in the bag

A bag contains 10 black marbles and 6 red marbles. If a red marble is drawn and not put back what is the probability of selecting a black marble from the bag?

A bucket holds c liters of water, but a jar holds 8 liters less. How many times as much water can the bucket hold as the jar?

When two dice are rolled, what is the probability the two numbers will have a sum of 8?

A bunny that is 7 in tall casts a shadow that is 5 in.

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.