Answer:

Step-by-step explanation:
Since there are 360 degrees in a circle, we can set up the following proportion:

the factor for this expression is 7
Answer:
Not equivalent
Step-by-step explanation:
The three would also be distributed to z making the correct equivalent expression 15+3z
Answer:
1 is 50 and 2 is 75
Step-by-step explanation:
i did the work
Answer: 1,3,4
Step-by-step explanation: