Answer:
-5
Step-by-step explanation:
add them together (-4)+(-1) make a t chart it'll help you out
Answer: 5
two negatives make a positive therefore instead of subtracting in this case you would add them together
by pythagorean formula, the last side is √(61)
by cos rule
cos A
A = 39.81
PEMDAS parentheses exponents multiplication divide add subtract....
It's a parallelogram
I'm not sure but I think the answer is x + y = 1
I hope this helps!
