C. e
Step-by-step explanation:

<span>4 cm / 1 year x 10 mm / 1 cm x 1 year / 365 days </span>
<span>RT, i.e. is S the midpoint of RT? If it does, then RS = ST; RT = RS + ST; RT = 2 * RS; RT = 5 1/4</span>
Answer:
I need the whole question..
Step-by-step explanation:
Have a nice day!
Y=2x
3x+2y=21
3x+2(2x)=21
3x+4x=21
7x=21
x=3
y=2(3)
y=6