Elite marathon race times improved from 5 to ~20 years, remained linear between ~20 and ~35 years, and started to increase at the age of ~35 years in a curvilinear manner with increasing age in both women and men. The sex difference in elite marathon race time increased non-linearly and was lowest at the age of ~49 years.
Answer:
yes all are right
Step-by-step explanation:
Answer:
Step-by-step explanation:
51.78 is rounded up to 52
Answer:
the answer is A.
Step-by-step explanation:
(
×
)÷
2×9= 18
6+6= 12
÷
= 

Lm and jk because corresponding angles theorem