Answer:
2/1 or in better numbers 2
Step-by-step explanation:
Answer: 1100 grams
Step-by-step explanation:
5kg=5000g
5000g-600g=4400g
4400g/4=1100g
Both of your answers are correct. In the first equation, if you were to substitute 3 for x, because you have to do exponents first, you have 3^2, which is 9, and 9*6 =54. If you were to substitute -3 for x again you would have to do the exponents first which would be -3^2 which is 9, and 9*6 = 54.
For the second question, if I substitute 0.75 for t, I get -9 + 18 + 7. This is equal to 16, and therefore the answer would be D. Hope this helps! :D. Let me know if you have questions about my explanation, and feel free to post more questions.
Answer:

Step-by-step explanation:
times in the y+9 and y+7 and get y squared + 16x+ 63+80.
It has two roots
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