4x+11 = x+2 i got 2.4 not sure what i did wrong.

Robin spent 25% more time on his research project than he had planned he’s been an extra h ours on the project which of the following expressions could represent the number of hours rob actually spent on the project

In the figure, triangle aob and triangle boc form a linear pair ,find the measure of x

Given that the images represent 4 steps in the construction of a line segment congruent to a given line segment, which is step 3 in the construction?