Answer:
16
Step-by-step explanation:
y = 7
4(7)-12
28-12 = 16
B, just because the diagonals are perpendicular doesn't mean they are equal in length, you can get a Kite with perpendicular diagonals
737 rounded to the nearest hundred is 700, because 37 is smaller than 50, if the number was 768, it would be 800.
30/90 simplifies to 1/3 because 90/30 = 3. 3/1=3.
