How much does a length of aluminum expand if it is 1.2 meters long at 15 degrees c and heated to 65 degrees c

Julia bought 7 hats a week later half of all her hats were destroyed in a fire. there are now only 12 hats left with how many did she start

The table below shows the angle measurements for triangle abc and triangle xyz. if triangle abc is similar to triangle xyz, what does angle z equal, in degrees?

Find a third-degree polynomial equation with rational coefficients that has roots -2 and 6+i