A=1/2h(a+b)
1/2 can be said as 0.5
so
A=0.5h(a+b)
0.5h is being multiplied with (a+b), taking this expression of left hand side gives
A/0.5(a+b)=h
OR
h=A/0.5(a+b)
This is the final answer
Answer: • Ensure that the video card is compatible with the expansion slot
• Install video drivers from CD and then install updated drivers from the internet
• Configure the PC to use the integrated graphics if available and needed
Explanation
Your question isn't complete as you didn't put the options but I got the options online and the correct answers have been provided.
The installation and configuration for the high-end video card suitable for gaming will include:
• Ensure that the video card is compatible with the expansion slot
• Install video drivers from CD and then install updated drivers from the internet
• Configure the PC to use the integrated graphics if available and needed
Tell someone you're close to, and see what advice they have. It's best to ignore the person until then.