Complete the sentences below based on the given graph. The vertex and y-intercept MUST be written as an ordered pair. The axis of symmetry is x =___ . The vertex is ___ and the y-intercept is ___ . The roots of the graph are ___ and ___ . The graph represents a ___ .

the answer is a.

135 and 80

step-by-step explanation:

113.1

step-by-step explanation:

v=4

3πr3=4

3·π·33≈113.09734

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