There are 12 boys and 8 girls in a class. if 2 more girls join the class, what is the new ratio for the number of boys to the number of girls in the class?

Marcus needs to rewrite f(x) = x2 + 6x + 4 in vertex form.

The human resources manager at a company records the length, in hours, of one shift at work, x. he creates the probability distribution below. what is the probability that a worker chosen at random works at least 8 hours? probability distribution px(x) 6 hours 7 hours 8 hours 9 hours 10 hours 0.62 0.78 пол

Which of the following contains a variable?