That means that it has 2 complex roots, and it has no x intercepts, means that it doesn't touch the x axis at all
Point b and point a need to be drawn vertically
2 and 4 are false
Explain: it could not be certain unless there was 16 green and it is likely that red would be picked as it is the most common
Answer:
-13=5+x, rearrange the terms.
-x=5+13, add.
-x=18, invert the sign.
x=-18
Charles' weight = Edith's weight + 20% of Edith's weight
We'll use a variable to represent Edith's weight, x.
The decimal form of 20% is 0.2.
60 = x + 0.2x
60 = 1.2x
x = 50
Edith's weight is 50kg.
Hope this helps!