Carlos used a coordinate plane to design the patio shown. Each unit on the grid represents 1 meter. To buy materials to build the patio, he needs to know its perimeter. What is the perimeter of the patio?

Rectangle pqrs has length a and width 4b. the x-axis bisects ps and qr what are the coordinates of the vertices

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 ?

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.