Brandon makes 4/5 of his free throw shots when he play. if he takes 45 shots how many is he expected to make

Ajar of gumballs contains 4 reds, 2 greens, and 6 blues. what is the probability of getting two blues in a row without replacement?

Aquadratic equation in standard from is written ax^2= bx+c, where a,b and c are real numbers and a is not zero?

What is the distance between the points (2, 5) and (5,9)?