3/8 of a lap is 1/32 of the entire race.
x - the number of laps in the race

There were 12 laps in the race.
Because these are not like terms, they cannot be combined. The variables are different, that's what makes them not like terms
Answer:
D
Step-by-step explanation:
rule: Diametre includes the centre of a circle.
According to the given conditions AB and DE are diameters.