Find the value of x. Round to nearest tenth. Plz help!!

Solve the following: 12(x^2–x–1)+13(x^2–x–1)=25(x^2–x–1) 364x–64x=300x

Jeremy wants to determine the number of solutions for the equation below without actually solving the equation. which method should jeremy use?

Alayna wonders how much water it would take to fill her cup she drops her pencil in her cup and notices that it just fits diagonal the pencil is 17 cm long and the cup is 15 cm tall how much water can the cup hold