What is the least number of acute angles that a triangle can have?

What other information do you need to prove triangle dac=bca by asa

!! 10 ! a westbound jet leaves central airport traveling 635 miles per hour. at the same time, an eastbound plane departs at 325 miles per hour. in how many hours will the planes be 1900 miles apart?

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12