Answer:
32 pavers
Step-by-step explanation:
step 1
Find out the area of one square paver
The area of a square is

where
s is the length side of the square
we have

substitute

step 2
Find out the area of the rectangular patio
we know that
The area of a rectangle is

we have

substitute

step 3
Find out the number of pavers needed to build the patio
Divide the area of the rectangular patio by the area of one paver

Answer:
<h3>
a. a₁=7, b. a_n=7n+1, c. a₂₀=141</h3>
Step-by-step explanation:
a.

b.

c.

Using the formula for the circumference of a circle:
2 x 100 x 3.14=628ft