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:
135 meters
Step-by-step explanation:
172 minus 37 equals 135
<em>store y has the better buy.</em>
<em>----</em>
store x -- 3.04 ÷ 3 = $1.01 per bag
store y -- 3.60 ÷ 5 = $0.72 per bag
store z -- $0.78 per bag
store y cost the least so it is the best option.
Its the first one, which is AB=BC
The elements of a body paragraph are the topic sentence, concrete detail, commentary then a conclusion.
