¿Who was the fist president of dominican republic?

What would be the mass of an atom with 8 protons and 8 neutrons? a) 16 amu b) 8 amu c) 64 amu

Which of the following sentences from the text contains an example of metaphor he look like one of those ballerinas that dance just on the tips of your toes be mom was horrible snake-woman boys came out again and said if you ever ever see brian's hand was shaking and he was crying like a big baby but his fingers still stayed out the right when the fire was going to give him a good roasting joetta ran across the room and sounding like the little engine that thought it could she blew the match out before it got him

Which sentence is punctuated correctly? a) the moon which often shines too brightly in my window is full tonight. b) my new textbook which costs over thirty dollars is the best one i've ever read. c) mr. smith, who is a well-respected lawyer, has just retired from active practice. d) the play by velma winterbaker, that was published last year, ended up winning the pulitzer prize. '