Answer:
Step-by-step explanation:
17) B. They are adding 2 to both sides.
18) A. A segment is equal to itself.
19) D. They are multiplying both sides by 2.
20) C. They are simply swapping the left and right hand sides of the equation
<span>(7 x 10^−12)(4 x 10^5)
= (7x4) x 10^-7
= 28 x 10^-7
= 2.8 x 10^-6</span>
Answer: we need to see the problem
Step-by-step explanation:
The mean to your problem is 87.5
It might be A
Example: I tried to do the math and i came out with 1/20 so try it. i’m very sorry if it’s wrong