How did the temperature change if at first it increased by 60 and then decreased by 80

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?

Calculate the missing value. round the answer to on decimal place. start with 70, increase it by 21%, and end up with