Answer:
13 1/2 this is the answer
:)
x=1
y=-4
Step-by-step explanation:
4x+y=0 -> y= -4x
2(-4x)+x=-7
-8x+ x=-7
-7x=-7
x=-7/-7=1
y=-4 . 1 = -4
c=l/--a^2+b^2=l/--45^2+20^2≈49.24429
l/-- mean square root
^ means squared/ exponent
3x+3
No, It is not a function!
