The mass of an electron is approximately 9.1*10^-31 kilograms. the mass of a proton is approximately 1.7*10^-27. approximately how many times greater is the mass of a proton than the mass of an electron.
a) 1900
b) 5500
c) 19000
d) 55000

Me #1 using vocabulary words, including the word “congruent”, state why the measure of angle d is 120 degrees. #2 what is the measure of angle e and why?

"princess tower" in dubai is considered the world's tallest residential building, towering to 1 0 1 101 floors! t ( n ) t(n) models the number of tenants living on floor n n of the tower. what does the statement t ( 2 0 ) = t ( c ) t(20)=t(c) mean?

On average, how many more hits will he get when he bats 100 times at home during the day as opposed to 100 times away at night?