Evaluate each expression if a = 2, b = -1, c = 3 and d = -5.
1. a + b + c + d
2. ab + cd
3.-a + b - c + d
4. ad - bc
paki sagot po
1. a + b + c + d
2. ab + cd
3.-a + b - c + d
4. ad - bc
paki sagot po
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Answer:
1. -1
2. -17
3. -11
4. -7
Step-by-step explanation:
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