Answer: 
as a percent is 30%.
Step-by-step explanation:
Divide 3 by 10, which gives you the decimal 0.3.
= 0.3
To convert this to a percent, shift the decimal two places to the right, which gives you 30%.
Answer:
2 and 8
Step-by-step explanation:
there on opposite sides and are exterior
a=3
a6=43
a+6d=43---------1
substituting a=3 in eq 1
a+6d=43
3+6d=43
6d=43-3
d=40/6
d=20/3
so first 5 no's are a, a+d, a2+d,a3+d, a4+d
a=3
a+d=3+20/d
i think u know after this
Hope it helps u
mark me as brainest if it helps u
Step-by-step explanation:
12. n^2+2n
if you insert 1 for k and then work up by inserting 2 for k and adding those together and stoping at n.
13. 8-2(2^n)
if you insert 3 for k and then work up by inserting 4 for k and adding those together and keep on going but stopping at n.
Hope that helps :)
