Answer:
d forms a proportion
Step-by-step explanation:
3x5=15,4×5=20
so they both increase protionally
therefore they are protional
9/3+4=
4+3=
7
D
15 + 2x + x + 3 = 3x + 18
hope this helps
-3 (2a-9b+5c)
common factor out the lowest common factor which is -3
