Answer:
D) x = ± 2√5 - 4
Step-by-step explanation:
2x² + 16x - 8 = 0
Yah, i plugged this into m a t h w a y
(all of ur questions pretty much can use this app or website)
Shortest is 3/4 longest is 1 1/2. 1 1/2 -3/4=3/4
The mean is 2.5. also there is mean, median, mode calculators online to help you with these in the future