12. determine the surface area of a sphere with a diameter of 16 cm.
o a. 201.0 cm
ob. 804.2 cm2
o c. 1,024 cm
o d. 3,216.9 cm

In the past, professional baseball was played at the astrodome in houston, texas. the astrodome has a maximum height of 63.4 m. the height of a baseball t seconds after it is hit straight up in the air with a velocity of 45 ft/s is given by h = -9.8t2 + 45t + 1. will a baseball hit straight up with this velocity hit the roof of the astrodome? use the discriminant to explain your answer.

Abe is a triangle. can you use the sss postulate or the sas postulate to prove triangle abc = triangle aed? by sss only neither apply both apply by sas only

Solve 2x+y=3 x+y=5 in substitution method