Triangle MNP is similar to triangle QRP find the value of X.

Three times the difference of federico’s age, and 4, increased by 7, is greater than 37. what are possible values of federico’s age?

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?

1/2+1/6-3/4 simplify the given expression leaving the answer in improper fraction form.