Answer:
its 4
Step-by-step explanation:
a 1 = 3 , a n = a n - 1 + 2
because if you aply this to the shapes that you see at problem 21 you will see that it meaches them
the answer is yes
0.356, 0.989, 1.01, 1.115, 1.118, 1.127, 1.281, 1.305, 1.637, 1.714, 1.83, 1.912, 2.036, 2.2, 2.4, 2.504, 13.3, and 653.63
3.14
radius*pi
D
=
Factor out 2 on the numerator and 2x on the denominator.
Cancel the factor (x + 2) on the numerator/ denominator
= ← cancel the 2 on numerator/ denominator
= : x ≠ 0