the arc length is calculated by the formula 
then 
or it can be calculated using the circumference of the circle since we have a semicircle the circumference 2πr must be divided by 2 С=2πr:2=πr =8π=<u>25,12</u>
Answer:
y = mx + b. When b ≠ 0, the relationship between x and y is nonproportional.
He has 3/5 of his cards left because he had 62/105 of his cards and that simplified is 3/5
Answer:
a posative
Step-by-step explanation:
