What are the zeros of this function (g)(x)=3x^2-33x-180

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

Is a square always, sometimes, or never a parallelogram

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.