Answer:
1. first one
2. there are no solutions that i see
Step-by-step explanation:
We want to find one-half of the reciprocal of 7/sqrt(98). Let's write down an expression for this:

We can rewrite 98 into 


The square root of 49 is 7



This should be your answer. Let me know if you need any clarifications, thanks!
Answer:
4320, I looked up 18% of 24000
Answer: 9
Step-by-step explanation:
Since the percent is decaying, you subtract 3.4 from 100, which gets you 96.6
200(0.966)^9 gets you 146.5 which is less than 150
Answer:
Option D. 2
Step-by-step explanation:
1+2+(-5)+4
= 1+2-5+4
= 1+2+4-5
= 7-5
= 2