Which operation can we use to solve for x in the equation 12 + x = 15? A. Add 12 to both sides of the equation.
B. Divide both sides of the equation by 12.
C. Multiply both sides of the equation by 12.
D. Subtract 12 from both sides of the equation.

452,489 to the nearest thousand is 452,000

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

the answer is "add 2y and y"

step-by-step explanation:

you need to collect the like terms first.