Answer:

Step-by-step explanation:
b = h = Base = Height of triangle = 
Area of one triangle

There are 4 colored triangles so total area of the triangles is

The area of the colored triangles is 
Answer:
D
Step-by-step explanation:
$3.20
2.99 • 7% = 0.2093
2.99 + 0.2093 = 3.20
Answer:
3 1/3
Step-by-step explanation:
2 + (-2/3)² ÷ 1/3
2 + 4/9 ÷ 1/3
2 + 4/9 × 3/1
2 + 12/9 = 2 + 4/3 = 2 + 1 1/3
= 3 1/3
Given that

and

, if

is an arithmetic sequence, then the common difference between successive terms is

.
You then have




So the explicit formula for the

th term is