Please help me (-3)2 + (-2)=​

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

Arectangular prism is 3 meters long, 6 meters wide, and has a height of 9 meters. what is its surface area?

If jm equals 5x -8 and lm equals 2x -6 which expression represents jl