Alex heated water in a pan until the entire water changed in to vapor. the mass of the total vapor formed was 150g. what was most likely the mass of the water alex headted and why? 175 g, water vapor formed is lighter then water 150 g, mass of the water remains the same when it changes state 175 g, some water molecules are destroyed during phase change 150 g, mass remains same during chemical change of water into vapor

1. if we have 3 babies what is the probability they’re going to be all boys? 2. if we roll 2 die at the same time what is the probability of getting less than 10 on the first roll and a 5 on the second roll 3. if we have 3 babies what is the probability their is going to be 2 girls? 4. if we have 3 babies what is the probability of having no more than 1 girl? 5. it we have 3 babies and then have another 3 babies what is the probability of us having at least 1 boy and then having all girls?

When the ball has traveled a distance of

Neoli is a nurse who works each day from 8: 00 am to 4: 00 pm at the blood collection centre. she takes 45 minutes for her lunch break. on average, it takes neoli 15 minutes to collect each sample and record the patient's details. on average, how many patients can neoli see each day?