It is B) -1/2 you btw you don't have to put please help :)
the is just THIS ONE JIAN JUAN IS B
Answer:
$6 per cat, $10 per car
Step-by-step explanation:
I guess and checked my work.
7/x = 5/y
Can be changed to:
5x = 7y
So, x = (7/5)y and
y = (5/7)x
I think you can use cosine rule if only the lines that form the <52 are equal.