Plz me

the table shows the change in the annual sales turnover of a company in millions of dollars, s(x), where x represents the years since the company was founded.

x s(x)
1 $495
3 $598.95
5 $724.73
7 $876.92
9 $1,061.08

what is the predicted average rate of change of the company's sales turnover, in millions of dollars, over the interval [9, 11]?

a.
$184.15 per year
b.
$111.42 per year
c.
$222.83 per year
d.
$92.08 per year

Martha has a deck of cards. she has lost some of the cards, and now the deck only contains nine spades, eleven diamonds, eight clubs, and twelve hearts. martha predicts that whenever she draws a card from the deck without looking, she will draw a club one-fifth of the time. which activity would best allow martha to test her prediction? a. randomly draw a card from the box and see if it is a club. b. randomly draw a card. then, continue to draw another card until all eight clubs are drawn. c. randomly draw and replace a card 120 times. then, observe how close to 30 times a club is drawn. d. randomly draw and replace a card 100 times. then, observe how close to 20 times a club is drawn.

What is the value of the discrimination for the quadratic equation 0=×2+2+×2

Acontainer holds 0.7 liters of oil and vinegar. 3/4 of the mixture is vinegar. how many liters of oil are in the container? express your answer as both a fraction and a decimal.