What is the y-intercept form of - 5x+y=-3

Out of 200 randomly selected people who participated in a poll, 120 said that they support the new policy introduced by the current mayor of New York City. Conclusion was made that 60% of all New Yorkers support new policy.

Make x the subject y=3x-2

How do you do systems of equations?

Change 2 3/5 to an improper fraction.

A person flipped a coin 100 times and obtained 73 heads. Can the person conclude that the coin was unbalanced?

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.