Answer:
30.6
Step-by-step explanation:
it cost 5 for each
269-215=45 divide by 9 =5
1 mph = 1.46666667 fps
Sn= -[-3(sin^2x + cos^2x)^n + In e.
sin^2x + cos^2x = 1 and ln e = 1, so
Sn = -(-3)^n + 1
When n = 8
this = -(-3)^8 + 1
a) 21/50 -> 42%
b) 7/10 ->70%
c) 3/5 -> 60%
d) 59/100 -> 59%