Answer:
i dont no but what i got was 10x+144d^3 but do u want to sovle for x i got u X
Step-by-step explanation:
1. C
2. A
3. B
3. D
Hope this helps
Im gonna guess 6.00 beacause it says round to hundreths
Answer:

Step-by-step explanation:
Write down the problem;

Simplify

Convert so that the fractions have a common denominator; multiply the numerator and denominator of both fractions such that the denominators are equal;

Add the fractions;

Convert to mixed number;

The answer is 123684 x 10^1. Hope i helped.(whatever comes after ^ is an exponent)