Answer:
r = 47
Step-by-step explanation:
r - 38 = 9
r- 38 + 38 = 9 + 38
simplify
r = 47
Answer:
19
Step-by-step explanation:
If t = 7
Then 5 + 2t would be equal to
5 + (2*7)
5 + 14
19
Answer:
C. 21%
Step-by-step explanation:
Please kindly check the attached file for explanation.
You can rewrite it as
(2/3 )•(10^(13-8))= (2/3)• 10^5 ~ 0.67•10^5=
0.67•10•10^4= 6.7•10^4
Answer $6.7•10^4