1. On Wednesday you saw 12 robins on one tree and 7 on another tree. How many robins did you see
altogether?

What’s 8y+48 and factor each expression completely

Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.

1. if events a and b are non-overlapping events, how do you find the probability that one or the other occurs? 2. what does it mean if p(a or b) equals 1?