In ΔDEF, the measure of ∠F=90°, FE = 84, ED = 85, and DF = 13. What ratio represents the sine of ∠D?

2(n-1)+4n=2(3n-1)n=0no solutioninfinitely many solutions n= - 4 !

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.

Lucy and donavan measured the length of the school garden. lucys measurement is 11.3m and donavans measurement is 113 cm. could both be correct? explain