Answer:
Find the answer using Perimeter formula.
Step-by-step explanation:
The sequence is arithmetic since the common difference that is equal
d=11-15=7-11=-4
a(n) = a1 +(n-1)d
a1=15
=
a(n) = 15+(n-1)-4
Answer:
The principal is $2400
Step-by-step explanation:
Given




Required
The principal amount
The principal amount is the amount invested.
From the question, we understand that $24000 was invested.
Hence, the principal is $24000
Answer:
-29a-6b+59c
Step-by-step explanation: