Respuesta :

harshapuranik179

Answer:


1) B) a = 14

2)D) x = -11

3)B) x = 8

4)A) 250 = 3c-20

5)D)8

6)B), C), D)

8)A) 14 months

9)Sarah = 40 years

Sarah = 5/4 x Tanya

40 = 5/4 x Tanya's age

Therefore Tanya's age is 32 years old


Hope this helps you!

1) B) a = 14



2)D) x = -11



3)B) x = 8



4)A) 250 = 3c-20



5)D)8



6)B), C), D)


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7)

1.  one solutions

2. no solution

3. infinite solutions

4. no solution

5. one solutions

6. infinite solutions

___________________________________________________

8)A) 14 months



9)Sarah = 40 years



Sarah = 5/4 x Tanya



40 = 5/4 x Tanya's age



Therefore Tanya's age is 32 years old


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