Answer:
See below.
Step-by-step explanation:
Formula:

First term: n = 1

Second term: n = 2

Third term: n = 3

Fourth term: n = 4

Tenth term: n = 10

Well Zack's cost more because, he paid $567.00 for whatever he bought, while Mal paid $245.00 for whatever he bought.
I believe these might answer your question
6/10
9/15
12/20
Radius,r=8√3 m
<span>Height of triangle ,h=2r </span><span>⇒ </span><span>16</span><span>√3</span><span> </span><span>m</span>
Side of the triangle ,a=16√3/sin60 ⇒ <span>32 m</span>
<span>Area of the triangle,</span>
<span>A=</span><span>√3/4(a</span><span>²</span><span>)</span>
A =√3/4(32²)
A =443.4 m²
5.8 / 1.2 = 4.83 I hope this is helpful!