3. The graph shows the distance travelled by a car during 13 seconds of a race. Why is the car changing speed? What is the car's av. speed? What is the car's top speed? 2 300 a putu Estimate when the car is travelling the slowest 100 m Draw a straight line to estimate the car's speed at 15 seconds, 21 B 10 11 12 13 14 15 16 17 18 19 20

c

step-by-step explanation:

i think because what else can be a sample of every member

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