The equation f(x)=x^2−12x+45 models the number of books y sold in a bookstore x days after an award-winning author appeared at an autograph-signing reception. How many books were sold after 4 days? Keep the answer as a whole number.

answer4 to the second power is 16

and 4 to the third power is 64,

if farmer matt works for 8 hours a day, how many days will it take him to completely plant 12 rows of crops? each batch of cookies needs 3/4 cups of sugar.

step-by-step explanation:

it's a proportional graph.

step-by-step explanation:

8 x 5 = 40         (and you have -8x and -5y)

x= absiss

y= orderly

so you have a proportional graph.