PLEASE HELP WILL MARK BRANLIEST!
if the parent function is f(x) = mx + b what is the value of the parameter b for the line passing through the points (2,0) and (0,-4)?

A) 2
B) -4
C) -2
D) 1/2

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable

What is the expression in factored form? 225x^2 - 144 a. 9(5x+4)^2 b. 9(5x-4)^2 c. 9(4x+5)(4x-5) d. 9(5x+4)(5x-4)

Simplify (1/2)4th power a. (1/16) b.(1/8) c.(1/4)