Solve by the linear combination method (with or without multiplication)

6x-2y=2

-3x+4y=5

A lioness has 4 cubs that weigh 1.7 kg, 2.1 kg, 3 kg, and 2.7 kg. Each cub eats 1.25 kg of food a day. How much food will be needed to feed all the cube for one year

A tape that records one hour and 30 minutes on each side moves at cm a second through the tape player. How long, in metres, is the tape?

There was a country concert held at the park. For every 4 men there were 5 women that went to the concert. If 81 people attended the concert, how many men and how many women each attended the concert?

Find the sequence and fill in the blanks (2, 3), (4, 6), (6, 9), (8, 12) ... The 8th group is (__, __)

Is 87 composite or prime

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.