An object is dropped from a ladder. It reaches the ground 1.0 seconds later. If acceleration due to gravity is -9.81 m/s2, calculate the height of the ladder. (Note, the
ladder height is positive)

i don't know that i agree with that but what's the question ?

i think the answer is a, hope this : )

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