The length of the rectangle is 4 times the height. the area of the triangle is 63 cm2. find the width. round to the nearest tenth of an inch

All per-unit concepts rely on ratios,meaning,to provide a type of measurement

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 statements about these triangles is true