There are 12 squares and 4 triangles. what is the equation that compares the number of squares s to the number of triangles t?

The bike store marks up the wholesale cost of all the bikes they sell by 30% and andre wants to buy a bike that has a price tag of 125 what was the wholesale cost of the bike

Can someone check if i did this correct. it’s number 4 if you’re wondering.

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