Answer:
(2,1)
Step-by-step explanation:
So to get the Greatest Common Factor (GCF) of 55 and 21 we must need to factor each value first and then we choose all the copies of factors and multiply each of them here is what i mean:
<span><span>55: 5 11</span><span>21: 3 7</span></span>
The Greatest Common Factor (GCF) is: 1
Answer: 44
Step-by-step explanation:The way to calculate the number of coins that she had originally is to look at the difference in coins that changed hands. She sold 12 coins, but only bought 7 new ones. 12-7=5. Lucinda now has 5 coins less than what she started out with. So, she has 39 now, and then add 5 and the answer is 44 coins.
1) y=-2x+5
2)y=-1/3x
3)y=-2x+4
4)y=-1/3x+1