Whats the y intercept of 7y+3x-21=0

A recipe uses 3 cups of flour to make 48 cookies. How many cookies will 1 cup of flour make? 6 cups of flour?

1.24 to percent convertingbetween percents, decimals and fractions

How wrote B plus 14 as a expression

Brian says that when you add or subtract fractions with the same denominator you will add or subtract numerators and keep the same denominator is Brian correct

41/11 as a mixed 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.