Answer:
Hello,
Step-by-step explanation:
All is in the picture.
B=(-2,8), O=(-2,-5)
b=BO=8+5=13
F_1=(-2,4) O=(-2,5) Focus distance=4+5=9Horizontal half axis=√(b²-f²)=√88
D H and E i think .........
Yessssssssssssssssssssssssss
20 parts
7:5
28:x
7*4=28, 5*4=20; x=20
28:20
250 + 200h = 300 + 180h
200h – 180h = 300 – 250
20h = 50
H = 2.5 credit hours
Step-by-step explanation: Hope this helps and good luck :))