Classify the following triangle as acute, obtuse, or right 80°
O A. Obtuse
O B. Acute
O C. Right
O D. None of these Pls answer quick

Which pair of lines is parallel? a. y=4x+1 and y+4=5 b. y=-2+x and 2y-2x=-2 c. y=1/4x + 2 and y-2=1/2x d. y=1/5x+1 and 5y+x= 10

Bruce is getting materials for a chemistry experiment his teacher gives him a container that has 0.25 liter of liquid in it.bruce need to use 0.4 of this liquid for the experiment. how much liquid will bruce use?

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.