Amachine packs boxes at a constant rate of 2/3 of a box every 1/2 minute. what is the number of boxes per minute that the machine packs?

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?

Plz hurry evaluate the expression a+b where a=8 and b=19

The tile along the edge of a triangular community pool needs to be replaced? ?