John's age is 2 years more than twice as old as mary. the sum of their ages is 32. how old is each? (pls include equation and solution thx)

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?

What value is a discontinuity of x squared plus 8 x plus 4, all over x squared minus x minus 6?

Aparking garage charges $1.12 for the first hour and 0.50 for each additional hour. what is the maximum length of time tom can park in the garage if we wishes to play no more than $5.62