C2>a2+b2 is it a obtuse right or acute

What is the measure of the smallest angle in the diagram? 15 29 32 45

Consider the set of all four-digit positive integers less than 2000 whose digits have a sum of 24. what is the median of this set of integers?

Solve for n. round to the tenths place, if necessary. 14.2 cups of flour6 loaves of bread= 20 cups of flour n