F(n)=7−2(n−1), find the 17th term
f(n)=−9.2−2.5(n−1), find the 100th term

Asquare picture with sides of 32 inches is to be mounted on a square mat with sides of 52 inches. find the area of the mat that will remain uncovered by the picture.

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 ?

On which number line are -3 and its opposite shown