Stabiliti care dintre fratiile urmatoare sunt subunitare :32/29,1/9,16la puterea 9/18 la puterea a 14 ,2+4+6+84/3+6+9++96.Am nevoie urgent .Dau coroana

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?

The wheels of a bicycle have a diameter of 70cm. how many meters will the bicycle travel if each wheel makes 50 revolutions

Simplify (2^5/3^2)^4 a. 2^20/3^8 b. 2^9/3^8 c. 8^5/12^2 d. 2/3^2