7x^4 - 21x^2a^2 + x^2a^2 - 3a^4
7x^4 - 20x^2a^2 -3a^4
Answer:
Global warming is a huge problem
Step-by-step explanation: If the ice caps melts, that means that there is more water in the ocean, the more water in the ocean, the less land there is to live on.
It’s 19 but i’m guessing u want ppl to say 21
(a) they spent $24.56 in total (to show ur work, you multiply 6.17(4)
(b) they spent $50.05 on each light (to show ur work, you divide 200.20/4)
(c) they can spend $75.24 more (to show ur work, you do 300-224.76
i’m so sorry i cant show the work but i hope this helps!
