An athlete covers an elliptical race track of 400 m twice and halts at the starting point. What is the displacement and the distance covered by the athlete? A.) 400 m and 800 m, respectively
B.) 0 and 800 m, respectively
C.) 1600 m and 800 m, respectively
D.) Both are zero.

Angel entered a triathlon (a three-part race). he swam 1 mile, rode his bike 30 miles, and ran 10 miles. how far did he go altogether? a. 11 miles b. 123 miles c. 41 miles d. 40 miles

I'll give brainliest if you answer right : )

Aclothing designer is selecting models to walk the runway for her fashion show. the clothes she designed require each model’s height to be no more than y inches from 5 feet 10 inches, or 70 inches. which graph could be used to determine the possible variance levels that would result in an acceptable height, x?