Rounding 1300 unless your talking about the Marianas trench
Using the quadratic equation we get:

Factoring out 2 we get

Factoring out the imaginary number:

So b.
4/9 as a percent is (about) 44% Work:
First get a decimal by dividing 4/9(4 divided by 9) you get 0.44 repeating
Next, take away the 0. and add a percent sign at the end of 0.44. You get 44%
Truly, the answer is 44.44444...% because the four repeats, but if you round it is simply 44%
The answer is C.
90/105=6/7
Hope this helps!
Answer:
6.5
Step-by-step explanation:
DeltaMath