I have completed the 1st one and have attached it.
Answer:
0
Step-by-step explanation:

they are all quadrilateral s
hope this helps ;)
Answer:
Step-by-step explanation:
The variables are defined, so we only need to express the given relations. The total of the two quantities is 14.
x + y = 14
The sum of costs is $72. Totts are $8 each, so x of them will cost 8x. Elentines are $3 each, so y of them will cost 3y.
8x +3y = 72
Answer:
B) 40 necklaces with 25 left over
Step-by-step explanation: