Answer:
Given m∠RST = (15x - 10)o
Using angle addition postulate:
m∠RST = m∠RSP + m∠PST (15x - 10)= (x + 25)+ (5x + 10)(15x - 10)=
so your answer would be (6x+35)
Step-by-step explanation:
Answer:

Step-by-step explanation:
Solving for
given the equation,
:

Solving for
when 

Answer:
4.5 or 4 1/2
Step-by-step explanation: