What is the surface area of the right cone with the a raidus of 3 and a slant hieght of 15
a.54pie units2
b.126pie units2
c.63pie units2
d.99pie units2

What is the average diastolic blood pressure for adults

Mrs. avila is buying a wallpaper border to go on all of her kitchen walls. she wants to buy 5 extra feet of wallpaper border than she needs to be sure she has enough. she buys 55.5 feet of the border. the store owner selling the border uses the width of mrs. avila's kitchen to determine that the length of her kitchen must be 14.5 feet.

Pls the last one and it has to be like number 6