Write an equation of a line that passes through the given points (4,2) (0,-6)

On average, how many more hits will he get when he bats 100 times at home during the day as opposed to 100 times away at night?

Yesterday i ran 5 miles. today, i ran 3.7 miles. did my percent increase, decrease or is it a percent error? plz i need

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