Answer:
Step-by-step explanation:
The number of items sold that gives the max profit is found in the vertex of this quadratic, (h, k). Lucky for us we have a formula for k that will give us exactly what we are looking for, and nothing else.
where a = -.5, b = 50, and c = -300:

The max profit is $950 per week
I think it might be B, not 100%
Answer:
x = 8, y = 8√2
Step-by-step explanation:
x = 8
y = 8(√2) = 8√2
Answer:
Es un paralelogramo porque los lados opuestos son paralelos
Step-by-step explanation:
To add integers with different signs, keep the sign of the number with the largest absolute value and subtract the smallest absolute value from the largest.
Hope this helped.