Answer:
The population is everyone listed in the city phone directoy; the sample is the 75 people selected
Step-by-step explanation:
Answer:
y = - 2x² - 2x + 40
Step-by-step explanation:
Standard form of a quadratic is y = ax² + bx + c : a ≠ 0
Given
y = - 2(x + 5)(x - 4) ← expand factors using FOIL
= - 2(x² - 4x + 5x - 20)
= - 2(x² + x - 20) ← distribute parenthesis by - 2
= - 2x² - 2x + 40 ← in standard form
Answer:
Step-by-step explanation:
Attachment :)
We use long division
Answer:
b. sorry if i'm wrong!
Step-by-step explanation:
