Step-by-step explanation:

is the required answer
Answer:

Step-by-step explanation:
By applying geometric mean theorem in the given right angle,

By substituting values in the given ratio,




Exact value of y is
.
Answer:
7p−q−12
Step-by-step explanation:
Answer is R+10
you have to distribute the + into -5 which will still be -5r and you keep the 10