Sitive and Negative Numbers - Practice - Level F Chemists use integers to express the electrical charge of particles. A proton has a charge
of +1, an electron has a charge of -1, and a neutron has no charge.
What integer represents the total charge of 4 protons?
Please help

Which of the greatest common gcf of 32 and 48 a 16 b 96 c 8 d 32

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?

Mario has $14.35 left in his wallet. he spent $148.43 for tablecloths. then, he spent $92.05 for napkins. how much money did mario have in his wallet to start with?