Find to the point slope equation for the line that passes through the points (7,-21) and (-4,23). use the first point in your equation. y + ? = ? (x + ? )

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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

10 - 8 = -2

  8 - 6 = -2

etc, so -2 is the common difference

step-by-step explanation: