Answer:
a(n) = 10n-1 (the second one)
Step-by-step explanation:
we use formula
a(n) = a +(n-1)d (a= the first number in the, n=the times we need, d= difference)
a=9
d=9-19=10
a(n) = 9 +(n-1)10
a(n) = 9 +10n-10
a(n) = 10n-1 (the second one)
I hope it will help
A is the right answer,Brainly pls
Is there a number minus what equal 216 if not you can do 500-284 equals 216 to check that just do 500-216 and it should be 284. hope this helps!!!!!!
There are 32 liquid ounces in a liquid quart. Hope this helps ^-^<span />
Complementary equal 90 degrees.
90-47=43 degrees
Supplementary equal 180 degrees.
180-47=133 degrees
A