ANSWER

EXPLANATION
The given parabola has equation:

This parabola opens in the direction of the positive x-axis.
This can be rewritten as:

The vertex is (-1,3)
The directrix of this parabola is


Answer:
4 mL
Step-by-step explanation:
Multiply .25 by 2 because you are dispensing it twice a day.
.25 x 2 = .5, so you dispense .5 mL a day.
Now, multiply .5 mL a day x 8 days.
.5 x 8 = 4
Therefore, you should dispense 4 mL.
Answer:
nick's number = 91
eddie's number = 39
Step-by-step explanation:
n = nick's number
n = eddie's number
n -
n = 52
n = 52
cross-multiply: 4n = 52(7)
4n = 364
n = 364/4 = 91
eddie's number:
· 91 = 273/7 = 39
Answer:
Standard normal curve is 0.
Standard deviation is 1.