Does anyone know how to find the surface area of a rectangular prism

Solve 2x+y=3 x+y=5 in substitution method

Put the equation in slope intercept form by solving for y

Assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq between 80 and 120.