The radius of sphere is 5cm. if the diameter in incresed by 20%,what will be the new radius

1. add the following expressions : (i)5x - 7x, - 6x​

Acar travels 715 km at uniform speed. ifits speed is 10 km/h more, it takes 2hours less to cover the same distance.what is the original speed of the car? a) 45 km/hbj 55 km/hc) 60 km/hd) 65 km/he) 70 km/h​

On dividing a no by 9 we get 47 as a quotient and 5 as a remainder .find the number​