Answer: erm... the vertex it (1,-9)
Step-by-step explanation:
i think i did it right....not good at this stuff
Answer:
1 50.1253%decrease
Step-by-step explanation:

=
=0.501253
=50.1253
Answer:
-15
Step-by-step explanation:
It might help to factor out the expression further. You can factor it as:
(1)(15)(-)
Answer:
x= 35
Step-by-step explanation:
Cos x = Sin( 20+x)
Sin ( 90 – x) = Sin(20+x)
90 – x = 20+x
2x = 70
x = 35
The answer is 2/3 but if you want it in decimal form it is 0.6