I'll give Brainiest! Simplify all four questions correctly- (p - 3) + (p - 7)

(3n - 1) + ( -n + 4)

(-t + 5) + (3t + 2)

(7k + 9) + (4k - 3)

Aiden drives to school and back each day. the school is 16 miles from his home. he averages 40 miles per hour on his way to school. if his trip takes 1 hour, at approximately what speed does aiden drive home?

Given a normal distribution with µ =50 and σ =4, what is the probability that 5% of the values are less than what x values? between what two x values (symmetrically distributed around the mean) are 95 % of the values? instructions: show all your work as to how you have reached your answer. don’t simply state the results. show graphs where necessary.

Hannah has 5 more than twice the number of baseball cards that leo has. if leo has x cards, which expression shows the number of baseball cards hannah has?