please help me, u have no clue what to do. all it says is find the slope of the line that passes through the two given points using ratio method.​

What is the remainder when 2872 is divided by 76? a) 51 b) 57 c) 60 d) 63

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)

Carl's candies has determined that a candy bar measuring 3 inches long has a z-score of +1 and a candy bar measuring 3.75 inches long has a z-score of +2. what is the standard deviation of the length of candy bars produced at carl's candies?