Did you ever get the answer
The answer is z=2m+3 so the first one is right
2+1=3
15/3=5
split the 3 5's in ratio 2:1 and you get 10:5
Answer:
3(5x - 2)
Step-by-step explanation:
Answer:

Step-by-step explanation:
Notice from the attached image that -315 degrees is the same as 45 degrees.
Recall as well that the csc function is defined as the reciprocal of the sine function: 
Then, you need to evaluate 