Answer:
about 32.71 feet
Step-by-step explanation:
see attached picture
y= -(1/2)x - 5
i don't know a counterexample for the first one
A counterexample for the second one is a leaf bug
A counterexample for the third one is a trapezoid, rectangle, rhombus
x^2 + 4x + 3 + 1 = (x + 2)^2
So 1 need to be added.
8
