What is the surface area of the cone? (Use 3.14 for Pi and round to the nearest hundredth.) SA= pi*rl + pi*r squared

41.2 pi feet squared

66.4 pi feet squared

111.6 pi feet squared

164.8 pi feet squared

Find the arc length parameter along the given curve from the point where tequals=0 by evaluating the integral s(t)equals=integral from 0 to t startabsolutevalue bold v left parenthesis tau right parenthesis endabsolutevalue d tau∫0tv(τ) dτ. then find the length of the indicated portion of the curve r(t)equals=1010cosine tcost iplus+1010sine tsint jplus+88t k, where 0less than or equals≤tless than or equals≤startfraction pi over 3 endfraction π 3.

50 points~ ! i have to turn this in tomarrow

Mrs.sling bought a pound of green beans for $1.80. how much will mrs.tennison pay for 3 1/2 pounds of green beans?