Write the equation of this line in y= mx + b form

What is the measure of angle 1? a.28 b.152 c.168 d.64

Answer asap and if you do you will get brainliest. catherine buys a gallon of ice cream from the store. after taking it home, she eats a fifth of a gallon of ice cream. her sister eats some of the ice cream as well. if two-thirds of the original amount of ice cream is left, then what fraction of a gallon of ice cream did her sister eat?

Compute the standard deviation of the following set of data to the nearest whole number. 10, 10, 15, 20, 25