Find the distance from a to b on a number line. how do you ensure that the answer is positive plzz asap

Find the slope of the line below . enter your answer as a fraction or decimal. use a slash mark ( / ) as the fraction bar if necessary

Reduce fractions expressing probability to lowest terms. in 3,000 repetitions of an experiment, a random event occurred in 500 cases. the expected probability of this event is?

If f(x) = 4x - 3 and g(x) = x + 4, find (f - g) (x)