Answer:
c) side lengths 0f 5.5 ft, 11 ft, and 5.5 ft
Step-by-step explanation:
The two shorter side lengths added together must exceed the longer side length (and equal to does not work)
Answer:

Step-by-step explanation:
Explicit formulas are used to represent all the terms of the geometric sequence with a single formula.

a is the first term.
r is the common ratio.
r = second term ÷ first term.
3 , - 6 , 12, - 24, 48 ,........
a = 3
r = -6 ÷ 3 = -2


Check:

Answer:
1) 6.438km 2)818,700m 3)6750cm