Ok,
f(0.35)= 7f/20
f(-5.2)=-26f/5
f(10)= 10f
f(-0.5)= -f/2
as for the last question I am not quite sure, sorry....hope I helped a little :)
Answer:
A
Step-by-step explanation:
<span>will be selected as president of the sports club (and) will also be elected editor of the school magazine
you can see the ( and ) it means intersect
so
</span><span> president of the sports club </span>∩ <span>editor of the school magazine
= .7 * .4 = .28</span>
850/630= 1.35 exchange rate
150x1.35= 202.50
Answer: for 80, it is 24 sorry idk the other ones :(!