Can any one me with these 3 questions?

i took a screenshot of all three of them.

Ou have a 20-ounce bottle of juice. you pour out 14 of the bottle to share with a friend. if you pour out 3 ounces for yourself, what fraction of the 20 ounces will be left in the bottle? clear check 35 25 12 1320

Find the y-intercept and x-intercept for the equation 5x-3y=60 what is the y-intercept

The? half-life of a radioactive substance is 20 years. if you start with some amount of this? substance, what fraction will remain in 120 ? years