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

There is a line with slope 1/a going through the point (a, a²). find the equation of the line perpendicular to this line at this point. (don’t let this problem intimidate you! solve the problem as you would if i’d given you specific values. just use variables instead.)

Which of the following answers is 5/25 simplified? 1/5 5/5 2/5 1/25

Amuffin recipe, which yields 12 muffins, calls for cup of milk for every 1 cups of flour. the same recipe calls for cup of coconut for every cup of chopped apple. to yield a batch of 30 muffins, how much flour will be needed in the mix?