Answer:
QPT is obtuse
SPQ is acute
TPR is right
Step-by-step explanation:
Took geometry two years ago
Answer:

Step-by-step explanation:
Using the rule of exponents
×
=
, then
×
=
= 
Ratio of dog bark is 4:5
Multiply that by 20 each side
Ratio is now 80:100
So 80%
If they walk past 45 time you just have to multiply the ratio 4:5 by 9
36:45
So the dog would bark 36 times
It depends how you name the sides of triangle.
Look at picture at the result.

PS. Sorry for my terrible drawing but I did it as fast as possible :)
4xAnswer: y=9-4x
Step-by-step explanation: Subtract 4X from both sides