In order to find the cost of one ounce, you need to first find the unit rate. This means divide $2.89 by 4.25, giving you .68 as your final answer. Hope I helped :)
Answer is 68x bud thanks for lettting me ANWSER
I think u need to subtract both up and both down
So, Cot is negative in second and fourth quadrant.
So, tan(x+
)=-cot(x)
Option B