Which equation shows the quadratic formula used correctly to solve 7x2 = 9+ x for x? OX=
-11 V12-47(9)
207)
17 V-12-47)(9)
207)
OX=
-13 16-1)2+47)(9)
207)
1+ V (-1)2+407709)
207)

answer: 10 turtles

step-by-step explanation: as turtles have four legs so 4.10=40 therefore birds are 4 which sue counted

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

c-   36

taxicab circle radius 9 has 4(9) = 36 points