Plz will give !

a bag contains 7 white marbles, 3 blue marbles, and 15 red marbles (and no other marbles). one marble is chosen without looking.
what is n(s) ?

Write the fraction or mixed number and the decimal shown by the model

Johnny rode his bike to a friends house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was unable to play. what was his displacement for the total bike ride trip? what could you use as a reference point ? show the steps to solve this problem.

Solve 4 ln x=2ln25 a) x=5 b) x=25 c) x=625