For what values of k does the equation kx²+(k+1)+k=0 have equal roots?​

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

In the diagram, the ratios of two pairs of corresponding sides are equal to prove that almn - axyz by the sas similarity theorem, it also needs to be shown that x 6 z un z zz un = 2x zləzz lezy

What is mean median mode and range?