Answer:
18
Step-by-step explanation:
2x18 is 36 and 3x18 is 54
Answer:
y=-4, x=1
Step-by-step explanation:
2x-y=6 x+y=-3
2(-3-y)-y=6 x=-3-y
-6-2y-y=6 x=-3+4
-3y=12 x=1
y=-4
Step-by-step explanation:
The coordinates of point A (2,8) and C (5,2)
The measure of segment AC






You know from trigonometry that AB = 15 units, so the area of the larger triangle ACB is (1/2)*15*15 = 112.5 units^2.
Then the area of triangle ADE is
.. (112.5 -62.5) = 50 . . . . units^2
I think this is it, but i’m not sure about the last one