Can somebody take these and put them in the correct order, the order being the sides that touch need to have parallel slopes

Can someone me i’m confused. will give brainliest and a whole bunch of points

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

Abouncy ball is released from a certain height. on the first bounce, it travels 32cm. with each subsequent bounce, it travels 9/10 the distance of the previous bounce. what is the total distance that the ball has traveled when it completes its 25th bounce?