Your answer, in your set notation, is
{-2, 7}
The answer is letteer C. You just have to multiply 9 and pi
Answer:
1.75
Step-by-step explanation:
0.009÷0.004-
=
2.25-0.5=
1.75
.21 as a percentage is 21%
You can divide 7.98 by 21 then multiply by 100 which gives you an answer of 38.
Hope this helps :)