5/8y + 7- 7/8y + 1/8y in like terms

The additive identity is 0 because when you add 0 to a number, you get the identical number as an answer.a + 0 = a

Here you i hope my answer assists you in some : ))

To convert decimals to  percents you simply multiply the  decimal  by 100. decide what place value you want yourdecimal to  represent, such  as  tenths, hundredths or thousandths. underline the place value so you have a reference point for rounding. round your  repeating decimal to  the nearest place value of your choice.