*brain teaser* a teacher walks into the classroom and says: if only *yesterday* was *tomorrow*, *today* would have been a *saturday*. now on which day did the teacher make this statement? (a) sunday (b) monday (c) thursday (d) friday (e) saturday

Acoin is tossed twice. let e e be the event "the first toss shows heads" and f f the event "the second toss shows heads". (a) are the events e e and f f independent? input yes or no here: yes (b) find the probability of showing heads on both toss. input your answer here: preview

Graph the equation. select integers for x

What is the solution of log2  (3x  -  7)  =  3? 4 5