Please check the review sheet if needed but please answer the questions below to your best. I am extremely in need of help, I dont need all the steps if you find difficulty, just the answers to be confident. Please just help and I will definitely consider giving thumbs up

Link to review ( formulas are at the end): https://drive.google.com/file/d/1HKLZnlL0qDMmuQTZmerhdxjyULpzLAqR/view?usp=sharing

Questions:

Question 13 An artery of radius R divides into 5 smaller blood vessels, each of radius r = R/4. If the blood in the artery is v, what is the blood speed in each of the smaller blood vessels? Question 14 Leo and his son Steven go for a hike in a blizzard (-50 C). Leo is 1.34 times taller than Steven. Heat flows out from Leo at a rate of 250 W. What outward heat flow is experienced by Steven? 289 W 449 W 104 W 139 W 602 W