Vector u has its initial point at (21, 12) and its terminal point at (19, -8). vector v has a direction opposite that of u, whose magnitude is five times the magnitude of v. which is the correct form of vector v expressed as a linear combination of the unit vectors i and j?

Aline passes through the point (2, -4) and has a slope of 0, what is the equation of the line? plz fast

In triangle opq right angled at p op=7cm, oq-pq=1 determine the values of sinq and cosq

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?