Good evening ,
Answer :
A.
x = ±20
Step-by-step explanation:
x² − 1 = 399 ⇔ x²= 400 ⇌ x² = 20² ⇌ x² − 20² = 0 ⇌ (x-20)(x+20) = 0
⇌ x = 20 or x = -20.
:)
26-4(4)
26-16
10
have a good day plz give brianliest
Answer:
An airport offers two shuttles that run on different schedules.
If both shuttles leave the airport at 4:00 P.M., at what time will they next leave the airport together?
Step-by-step explanation:
