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pahelp , thank you advance​

Pahelp Thank You Advance class=

Sagot :

Answer:
1. B.
2. B.
3. B.
4. C.
5. B.

Step-by-step explanation:
1. x + y²
3 + 2²
3 + 4
= 7
2. C - 12
3. x + 50y
4. t + 57
5. 7 - x