If the height and radius of a cone are 1.5 and 8cm then its slant height

If x + 1 is a factor of k x cube + x square - 2 x + 4 k - 9 find the value of k​

The length, breadth, and height of a room are 7 m 20 cm, 5 m 60 cm, and 4 m, respectively. what is the largest length of the tape that can be used to measure all three dimensions, the tape being used an exact number of time in each case? ​

[tex]{2}^{x^{2} } = { {3}^{y} }^{2} = { {12}^{z} }^{2} [/tex]​