12^3 / 12^7 = 12^3-7
= 12^-4
Answer:
6
Step-by-step explanation:
Altitude = 3400t +600
21,000 = 3400t +600
21000-600= 3400t
20400/3400 = 3400t/3400
t= 6
Answered by Gauthmath
Answer:
8 1/4
Step-by-step explanation:
3/4= 9in
11/12= 11in
9x11=99 in
99/12=8.25
8 1/4