How many non congruent triangles can you make using at most 10 unbroken toothpicks?

On a piece of paper, graph y< x+1. then determine which answer matches the graph you drew.

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

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