Acoin is tossed and a spinner with four equal sections numbered 1 through 4 is spun. can someone explain to me how to do this?
what is the probability that the coin will land with heads up and the spinner will stop on 3? a. b. c. d.

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

Find the value of x. round the length to the nearest tenth

Corresponding angles are a. always b. sometimes c. never congruent