Write an equation for the nth term in the geometric sequence. then find an.
(19.) 0.2, 1.6, 12.8, 102.4,
(20.)
t
n
l
n
an
1
-1458
2
-162
3
-18

Which of these tables represents a non-linear function?

Solve each quadratic equation by factoring and using the zero product property. x^2 - 8x + 30 = 3x

Find the perimeter of the triangle with vertices  d(3, 4),  e(8, 7), and  f(5, 9). do not round before calculating the perimeter. after calculating the perimeter, round your answer to the nearest tenth.