You have 2 blue pens one red pen and two black pens. You randomly choose one of the 5 pens shown. Your friend randomly chooses one of the remaining pens. What is the probability that you and your friend choose a blue pen? 1. 1/20
2. 1/5
3. 2/5
4. 1/10

Ascatterplot is produced to compare the size of a school building to the number of students at that school who play an instrument. there are 12 data points, each representing a different school. the points are widely dispersed on the scatterplot without a pattern of grouping. which statement could be true

Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.