How many square roots are there from 1 to 100?

Randy and trey take turns cleaning offices on the weekends. it takes randy at most 4 hours to clean the offices. it takes trey at most 6 hours to clean the offices. what is the greatest amount of time it would take them to clean the offices together? 2.4 hours 2.5 hours

Whoever gets this right gets the ! the half life of a soul smelling substance is 4 years. if you have 8 oz of this strange substance, how much of it will you have after 20 years? show work.

The three sides of a triangle have lengths of 4x+3, 2x+8, and 3x-10. what is the length of the shortest side if the perimeter of the triangle is 136cm?