If two angles of a triangle are acute, then the third angle?

Can you simplify 4/7? 24 points will be awarded!

Helll ! 1,400 tons of wheat of two different varieties was delivered to the silo. when processing one variety, there was 2% of waste and 3% during the processing of the second variety of wheat. after the processing, the amount of remaining wheat was 1,364 tons. how many tons of each variety of wheat was delivered to the silo?

Find the length of the radius of a circle with the center at -7+2i and a point in the circle at 33+11i