What is 448 rounded to the nearest tens?

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)

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 ?

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?