Answer:
Step-by-step explanation:
72
Answer:
b
Step-by-step explanation:
Hello.
Describing to someone your height; It would be nonsense telling you have -1 meter, for example.
Describing your age; An age of -3 years is meaningless.
Counting the number of inhabitants in a city. Again, a city with -3000 inhabitants can not exist.
Step-by-step explanation:
5x = 15
x = 3
3(3)+ 2y = 9
9 + 2y = 9
2y = 0
y = 0
(3,0)
295 she spent
y dollars she can spend on other expanses
then 295+x+y=500
implies x+y=205