Answer:

Step-by-step explanation:
Assuming the explicit formula is

Then f(1)=-3+2=-1
f(2)=-6+2=-4
The common difference is -4--1=-3
Then the recursive formula is given as:


Hi! what’s the question? i believe you only put two answers
Step-by-step explanation:

Answer:
900 sq ft
Step-by-step explanation:
The area of a trapezoid is (Base 1 + Base 2) * height/2. So to plug the numbers in...
(30+60)20/2
90*20/2
1800/2
900 sq ft
Answer:
12 months
Step-by-step explanation:
2150-350=1800
1800÷150=12