Answer:
2(7.5x+3.5)
Step-by-step explanation:
I can't remember what these equations are actually called, however in order to solve this you simply multiply 7.5 by 2, and then 3.5 by 2.
I would say B. By multiplying the first equation by -5, you create -5y. If you add that to the second equation, your cancelling out the 5y term, and get a new equation with only z and a constant.
You can not simplify it because they both are prime numbers
Answer:
4.063 x 104
Step-by-step explanation:
Why is 40,630 written as 4.063 x 104 in scientific notation?