Sand is being poured into a pile that has the shape of a cone. The height of the pile, in feet, is given below at various numbers of minutes, 1, that sand has been pouring out. At what average rate did the height of the
pile change over the interval 35158?
0
1
2.
3
4
5
6.
7
8
9
1 (minutes)
h (feet)
0
3.2
5.8
8.2
10.4
12.1
13.5
14.7
15.8
16.6
feet
(1) 1.52
minute
(3) 1.84
feet
minute
(2) 0.66
minutes
feet
feet
(4) 0.52
minute

$119.20

step-by-step explanation:

$372.50 - 60% off is $149. $149-20% off is $119.20

lol 2

step-by-step explanation:

all three statements are true

step-by-step explanation:

a shipping fee of 5% is charged online with every item purchased online

first let's just take each option and calculate them based on this, to see if the answers matched

keith buys a 40 dollar book

40 x 0.05 = 2

therefore there will be a two dollar fee on keith's book

40 + 2 =42

the first statement is true

a chair costs $80

80 x 0.05 = 4

80 + 4 = 84

the second statement is true

george buys a 20 dollar calculator

20 x 0.05 = 1

20 + 1 = 21

the third statements are true

all three statements are true