Which of the following mathematical expressions is written in standard form?
A. x < y + 5
B. 2x + 3y < 12
C. 2y + 6 > 3x
D. 2x + 5 ≤ x - 3y - 7​


Answer :

Step-by-step explanation:

number2 the answer is a and

number 3 the answer is letter b

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