Answer: need to clam and not worry to much and study a lot to be come great and great at math
Step-by-step explanation: i try and i give it all i can and not give up
Answer: 208
Step-by-step explanation: Math
Answer:
Let D represent the average rate of change between 1990 and 1999
D ≈ 33%
Step-by-step explanation:
412+412×(Ｄ÷100 )= 549
⇔ 412×(Ｄ÷100) = 549 - 412
⇔ 412×(Ｄ÷100) = 137
⇔ Ｄ÷100 = 137÷412
⇔ Ｄ÷100 = 0.332524271845
⇔ D = 33.2524271845.
:)
