Which sentence is written in active voice?
oa.
some students are given trouble by the reading passages that are longest.
b.
.c.
d.
the students had been held longer by the monitor in study hall.
the teachers allow extra credit opportunities to all their students
the progress reports are to be signed by the students' parents.

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?

I'm confused on this could anyone me and show me what i need to do to solve it.

The four students in the table below each recorded the time and distance traveled while exercising. exercising distance (miles) time (minutes) gia 2 30 harris 5 50 ian 3 40 jackson 4 80 which list ranks the students from fastest walker to slowest walker? jackson, gia, ian, harris harris, jackson, ian, gia harris, ian, gia, jackson jackson, harris, ian, gia