According to your graphing calculator, what is the approximate solution to the trigonometric inequality cot(x)> -7/8 over the interval 0 <= x <= 2pi radians?

Each of the four sides of a swimming pool measures 9 meters. the pool is 5 meters deep. how much water will be needed to fill it completely? a. 45 cubic meters b. 81 cubic meters c. 225 cubic meters d. 405 cubic meters reset next

100 points, hi, i’m not sure how to get the equation from the graph and table.

It is given that the quadratic equation hx²-3x+k=0, where h and k are constants, has roots [tex] \beta \: and \: 2 \beta [/tex]express h in terms of k