Here are the scores that Jenna has received on her
seven quizzes:
16, 13, 20, 16, 12, 17, 18
What is the standard deviation rounded to the
nearest tenth?

Fiona races bmx around a circular dirt course. if the radius of the course is 70 meters, what is the total distance fiona covers in two laps of the race? a. about 30,772 meters b. about 15,386 meters c. about 879.2 meters d. about 439.6 meters e. about 219.8 meters23 points hurry

Ineed no it anyone can see this

In the diagram below,abc is congruent to dec what is the value of x