7x^2 minus 10x^2 is 3x^2
-7x +9x is 2x
Lastly, 1 + -5 is -4
So your answer should be 3x^2 +2x-4. I hope this helps. Also I hope the picture is clear enough to see!
Answer:
56 minutes
Step-by-step explanation:
14/7 = 2
28 x 2 = 56
Penelope eats 4 chocolates per day, because in one day, 20 chocolates are in the box. Then, after 2 more days, 8 chocolates are eaten. That means, if she eats an even amount of chocolates, she eats 4 chocolates per day. To check this pattern, on the fourth day, there are 8 chocolates left. 12 - 8 = 4, and the pattern would continue. On the fifth day, 4 chocolates would be left, and on the sixth day, 0 chocolates would be left.
Answer:
he left home at 9:13 a.m
Step-by-step explanation: