The diameter of a circle is 25 cm. what is the radius of the circle?

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.

Which point-slope form equation represents a line that passes through (3,-2) with a slope of -4/5

Find the measure of angle y. a. 115° b. 65° c. 43° d. 22°