Answer:
Area of triangle= Half of perpendicular times base
In short:1/2×p×b
Answer:

you can solve problems by this equation
Answer:
2,750 milliliters into gallons=0.72647314
Step-by-step explanation:
X+4=y=-2x-2
x+4=-2x-2
add 2x to both side
3x+4=-2
minus 4 both sides
3x=-6
divide 3
x=-2
sub back
y=x+4
y=-2+4
y=2
(x,y)
(-2,2)