Answer:
Triangle area formula is base x height /2
Step-by-step explanation:
12 x 3 = 36
36/2 = 18
A = 18
Mark Brainliest!
-6=3/2z
-12z=3
z=-4
640 dm
200+40+400=640dm
y=1.5x+2.5 ,
y=32x+52 ,
y=32x+2.5 ,
or
y=1.5x+52