Plz help Hayden accidentally overdrafted his bank account, so there was a negative balance of −$13.55 in the account. He then deposited $20.00 to cover the overdraft.
Write an addition equation that represents the amount of money in his account.
Enter your answer as an addition equation, formatted like this: 42+(-53)=-11
Do not enter the $ symbol. Do not enter any units.

Colby and jaquan are growing bacteria in an experiment in a laboratory. colby starts with 50 bacteria in his culture and the number of bacteria doubles every 2 hours. jaquan starts with 80 of a different type of bacteria that doubles every 3 hours. let x equal number of days. colbys experiment follows the model: a.) y=50*2^x b.) y=50*2^8x c.) y=50*2^12x jaquans experiment follows the model: a.)80*2^x b.)80*2^8x c.)80*2^12x

If i have one apple and give you the apple, how many apples do i have?

Which expression do you get when you eliminate the negative exponents of 4a^2 b^216a^-3 b