So the first one is -0.5 and second is -0.5 the third one is -0.5 and the fourth is -0.25 so I would say that is D
We aer goint to eliminate the x's
multiply first by -5 and 2nd by 2
so that is B
Answer:
672
Step-by-step explanation:
a+b / 2 times h
You need to use the cosine for this and this is how you do it.
Answer: last one
Step-by-step explanation:
Did it