A charity sends an appeal letter to 6000 people, asking for a donation of money. Here is some information about the last appeal letter the charity sent out.
Ź of the people who were sent the letter made a donation.
The average donation was £8.70
1 of the people who made a donation filled in a tax form.
The government adds 25% to the donations of these people.
a) Using this information, work out the amount the charity will receive from the appeal.

4400

step-by-step explanation:

answer: 33 ( approx)

step-by-step explanation:

since, in the linear regression formula, the slope is the a in the equation y = b + ax ( by comparing it with the general equation of line y = mx + c )

where,

here given table is,

price ($), x   :           18         23       25       29       30       33

pairs sold, y :         16         13         10       8         6       2

so, ,   ,   ,

and   ,

thus, slop of the given line is,

⇒  

⇒   ≈ 33

"exterior angles = 360 / number of sides.

60 = 360 / sides

sides = 360 / 60

sides = 6"

the answer is b to that quesiton