Find the surface area of the cone in terms of π.
a. 54 π cm2
b. 99 π cm2
c. 51 π cm2
d. 49.5 π cm2

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

An airport in death valley is 60 feet below sea level, and an airplane is flying 2,000 feet above sea level. how many feet must the plane descend in order to land? a. 2060 b. 2000 feet c. 1940 feet d. 1880 feet e.1400 feet will mark as brainliest