Answer:

Step-by-step explanation:
The equation given is:

Using quadratic formula:

From the question:
a = 2, b = -4, c = 7
Therefore:

=> 
<u><em>Answer:</em></u>
- 84x - 70
<em><u>Step-by-step explanation:</u></em>
We want to combine like terms:
-10 - 90x + 6x - 60
We can see (-10) and (-60) are both regular constants so:
- 10 - 60 = - 70
Then (-90x) and (+ 6x):
6x - 90x = - 84x
- 84x - 70
10.05-8.9=1.15. Rosa threw it 1.15 meters farther than Meghan
Answer:
Answer is 120
Step-by-step explanation:
Answer:
3.5 meters
Step-by-step explanation:
Because 100cm is 1 meter