Answer:
The rules for adding and subtracting signed decimals are almost the same as the rules for adding and subtracting integers. When dealing with decimals, you need to be especially aware that your decimal points are lined up so that you do not accidentally add or subtract in the wrong place.
A=-2;b=9;c=9;
delta=b^2-4*a*c
root1=(-b+(delta^(0.5)))/(2*a)
<span>root2=(-b-(delta^(0.5)))/(2*a)
delta =153
root1 = -0.8423
root2 =<span> 5.3423
Correct Answer is D</span></span>
B
dividing with the same numbers and different exponents is like subtracting the exponents
16-8 = 8
Answer:
14
Step-by-step explanation:
20-(4+14)/3
20-(18)/3
20-6
14
Hope this helped.
A Brainliest is always appreciated.