10+9=3p
19=3p
3p=19
Divide both sides
P=19 on 3
19/3
<span>f(x) =-(x+9)(x-21)
Manipulating algebrically,
We get,
</span>f(x) =-(x+9)(x-21)
= -(x^2 -21x + 9x - 189)
= -(x^2 -12x - 189)
= -x^2 + 12x + 189
Axis of symmetry = -b/2a
plugging the values,
x = -12/-2
= 6
Answer:
4 quarts constitute for 1 gallon.
Let's convert quarts into gallon.
Explanation: A quart contains 4 cups or 2 pints while a gallon contains 16 cups or 8 pints. Hence, a liquid gallon is equal to 4 liquid quarts.
Step-by-step explanation:
Answer:
No, your answer is incorrect.
simplify the question that would be the last one D.
Step-by-step explanation:
if this helped you please mark brainliest <3