Solve the equation by using the quadratic formula. X^2+2x=6

How can you find the conditional probability of a given b as the fraction of b’s outcomes that also belong to a, and interpret the answer in terms of the model? i just need a good explanation

Suppose a pendulum is l meters long. the time, t,in seconds that it tales to swing back and forth once is given by t=2.01

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( show all work)