Find the explicit formula for the geometric sequence. Then find a8. 4, 8, 16, 64,

Which Answer is Correct:
A) an = 4 ⋅ rn – 1; 1,024
B) an = a1 ⋅ 2n – 1; 256
C) an = 4 ⋅ 2n – 1; 512
D) an = 2 ⋅ 4n – 1; 512

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

Kyle and elijah are planning a road trip to california. their car travels 3/4 of a mile per min if they did not stop driving, how many miles could kyle and elijah drive in a whole day? ? 1 day = 24 hours. plzzz i will give you 100 points

Aline passes through 3,7 and 6,9 what equation represents the line