Unit vector perpendicular to 4i+3j and -i-3j+2k

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2

not too sure thinking all accelerations are pointed down

answeralert drivers who drift off the road;