Please help circle problem

A. X=2
B. MO= 140
C. OL=35
D. KL=17
E. MN=158
F. ON=52

Select all that apply

Two sides of a triangle mesure 20cm and 30cm. what is the measure of the third side

What is 20+(5 x 2/5 )+ 3 show your work

Tamera puts 15/4 gallons of gasoline in her car. which mixed number represents the gallons of gasoline? a) 2 3/4 gallons b) 3 1/4 gallons c) 3 3/4 gallons d) 4 1/2 gallons answer it's worth a lot of points!