1680 is the PERMUTATION answer.
18.4 x 1.75 = $32.20
32.20 / 4 = $8.05
Answer each friend paid $8.05
2*pi*r = 56.52 ........................................
r = 56.52/2pi ...........................................
r = 56.52/6.28 ........................................
r = 9..............
Step-by-step explanation:
Did you mean:
= (a - b)(a + b)
= a.a + b.a - b.a - b.b
= a² + ba - ba - b²
= a² - b²
2.5 miles would equal to 13200 ft.