Nina wants to put color tiles on a square . 3 color tiles fit acroos the top of the square . how many rows and colum of tiles will nina need. how many square tiles will she use in all

The suare root of 9x plus 7 plus the square rot of 2x equall to 7

9.4.34  question   to estimate the height of a stone  figure, an observer holds a small square up to her eyes and walks backward from the figure. she stops when the bottom of the figure aligns with the bottom edge of the  square, and when the top of the figure aligns with the top edge of the square. her eye level is 1.811.81 m from the ground. she is 3.703.70 m from the figure. what is the height of the figure to the nearest hundredth of a  meter?

Find the rate of change for the situation.you run 7 miles in one hour and 21 miles in three hours.