Check the following expressions are polynomial 1/x_2+1/X_1 +7

please answer me friends

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?

Segment wx is shown explain how you would construct a perpendicular bisector of wx using a compass and a straightedge

Solve for the equation x. 2x + 22 = 4(x + 3)