Answer:
∠RUP is 135°
Step-by-step explanation:
First find the angle of QUR
QUS is 90 so you just subtract 45 from 90 and you get 45
QUP is also 90. Add 45 to it this time: 135
ANSWER
a=9
EXPLANATION
The given quadratic equation is

If x=1 is a solution, then it must satisfy this equation:



Therefore the value of 'a' is 9
Answer:
We need a picture to help you. I'm sorry :(
Answer:
3x=78+(x-2)
Step-by-step explanation:
The exterior angle is equal to the sum of the opposite interior angles.
3x=78+(x-2)