Which is the best type of graph to model the speed of a roller coaster over the full two minutes it takes to complete the ride? a qualitative graph a discrete graph a bar graph a histogram please help!!

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?

State if the two triangles are congruent. if they are, state how you know?

How long does it take natsumi to clean up after she is done? table: .area time30. 245. 2.7560. 3.5