Answer:
-3.8
Step-by-step explanation:
-3.8+7.2=3.4
The answer for #2 is A
And the answer for #3 is B
In the attachement, there is what I came up with so far. I think that finding 'a' is non-trivial, if possible at all.
- the area of a circle
- the area of a circular segment
In a parallelogram, opposite angles are congruent and consecutive angles are supplementary.
3x - 15 = 2x + 24
3x - 2x = 24 + 15
x = 39 <===
P(x)=-15+7/4=-2
P(y)=12-4/4=2
P=(-2,2)