Please help Which set of angle measures could be the measures of the interior angles of a triangle?

A.) 60°, 45°, and 70°
B.) 30°, 859, and 25°
C.) 55°, 90°, and 35°
D.) 110°. 15°, and 45°​

Solve for x and select the correct answer

The patient recovery time from a particular surgical procedure is normally distributed with a mean of 5.2 days and a standard deviation of 1.7 days. what is the probability of spending more than 2 days in recovery? (round your answer to four decimal places.)

The roof of a farm silo is the shape of a hemisphere and is made of sheet tin. if the diameter of the silo is 126.5 feet, how much sheet tin is needed to make the roof? (use π = 3.1416.)