C, because when you add 45 on both sides, and then after that when you have to subtract 15 in both sides, you get 0 = 120.
Answer:
5b-5
Step-by-step explanation:
When doing these kinds of problems you want to do dributive property which means you multiply whatever number is outside of the (), which is 5, and multiply that by b and 1.
when numbers are outside the () and right next to them without anything like +,-, or a division sign, it means to multiply.
Answer:

Step-by-step explanation:

Distribute 2 through the parentheses


Hope I helped!
Best regards! :D
Answer:
25 feet per second.
Step-by-step explanation:
Divide 75ft by 3se = 25ft per second.
Answer:
Not a question but are you an online student????
Step-by-step explanation: