Because the cos theta < 0 then theta must be an obtuse angle
so a^2 + b^2 < a^2
C
The other side is x^2+9
x^3-27/x-3= x^2+9
Answer:
See below.
Step-by-step explanation:
The x - 1 will move whole graph 1 unit to the right.
The 1/2 will stretch it horizontally by a factor 2.
The 2 will stretch it vertically by a factor 2.
The -7 translates it 7 units down.
Answer:
i am not sure but tried .

Step-by-step explanation:
Answer: 1. Proportional 2. Not Proportional
Step-by-step explanation: cross multiply.
1. 16*9=144
36*4=144
2. 8*80= 640
20*20=400