Answer:
m<D=45
Step-by-step explanation:
Answer:
27. The formula of vertex equals to

put -1 into y, 1-2+5=4=y
So,the answer of vertex (-1;4)
Answer:
A. t < –15
Step-by-step explanation:
The temperature has to be less than -15
t < -15
Answer & Step-by-step explanation:

Add 1 to both sides.

Multiply both sides by 4.

Take the square root of both sides.


Subtract 5 from both sides.
