Answer:
B
Step-by-step explanation:
3x-8+2x+5-4x+8
3x+2x-4x -8+5+8
x + 5
x+5
Answer:
529
Step-by-step explanation:
Rearranging to standard form
= (x - 7)^2 + (y + 5)^2 = -65 + 49 + 25
(x-7)^2 + (y+5)^2 = 9
so the centre is at (7,-5) and the radius is 3
so the circle will be entirely in Quadrant 4.
3+4=7
7 x 8=56
There will be 56 airplanes :)Hope this helped!
Because of exterior angles theorem, y=39+65, so y=104
x and y are a linear pair, so they add up to 180. x=180-104, x=76
all angles in a triangle add up to 180, so 21+104+z=180. therefore, z=55
y=104
x=76
z=55