Jesse uses 10 beads to decorate each picture frame. In all, Jesse Used 40 beads. How many picture frames did Jesse make?

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable

The function show two sisters' savings account and the rate at which they plan to deposit money

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)