The first one is 2x^2+2x-2
the second one is 2x^2-2x-2
the third one is 6h+6k
Answer:
White Gold.
Step-by-step explanation:
This type of gold contains only 75% pure gold, not 100%.
1.75 Grams is what I got. Every 1 Milligram = 0.001 Gram.
Hope it helps :)
What he said just click on that
Answer:
(X - 3)*2
(X + 7)*5
(10 * X) + 20
Step-by-step explanation:
I used X as a replacement for "A number"
Hope this helped a bit