Please help this is on my math homework If you answer the 2 questions correctly, i will give brainliest

Determine whether the samples are independent or dependent. upper a data set includes the morning and evening temperature for the lasta data set includes the morning and evening temperature for the last 90 days.90 days.

Three cylinders have a volume of 2836 cm^3. cylinder a has a height of 900 cm. cylinder b has a height of 225 cm. cylinder c has a height of 100 cm. find the radius of each cylinder. use 3.14 as an approximate for π

What are the coordinates of the midpoint of ab? ,1/2) /2,-1) ,-3/2) /2,-2)