Of the 95 children in 5th grade, 3/5 went to the park last week. How many students went to the park in all?

What is the value of x in the this question ?

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?

You dug a hole that was 8 feet deep. after taking a short break, you dug down 3 more feet in the same hole. when finished digging, a tractor accidentally filled the hole with 4 feet of dirt. how deep is your hole now?