Can an obtuse triangle have a right angle? why or why not?

Point r divides in the ratio 1 : 3. if the x-coordinate of r is -1 and the x-coordinate of p is -3, what is the x-coordinate of q? a. b. 3 c. 5 d. 6 e. -9

Find the value of x. give reasons to justify your solutions! c ∈ ae

The given diagram shows the parts of a right triangle with an altitude to the hypotenuse. using the two given  measures, find the other four.