Clara surveyed the students at her school to find out if they like pies and/or sandwiches. the results of her survey are shown in the two-way table below:

if a student does not like sandwiches, what is the probability that student also does not like pies?

81.3%
26.0%
23.1%
18.8%

1. there are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. the first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%. the line plot shows the differences after 10 rerandomizations. determine whether the difference in the means of the two groups is significant based on the line plot. explain your answer.

Choose the correct slope of the line that passes through the points (1, -3) and (3, -5)

The size of a certain cell is 2.5*10^-9m. another cell is 1.5*10^3 times larger. how large is the larger cell in scientific notation?