Pedro is supposed to practice piano for 4/6 of an hour every day. today, he has practiced for 2/6 of an hour.

what fraction of an hour does he still need to practice?

Which triangle congruence postulate or theorem justifies my claim that the steps i made using construction paper and scissors produce an isosceles triangle? was it sss, sas, asa, aas, or hl?

What is the prime factorization of 230

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x