Simplify the following polynomial expression: (5x2 – 9x + 2) + (-3x2 + 2x + 7) + (2x2 + 3) (22 – 5)
4x4 – 522 – 7x - 6
4x4 – 5x2 + 7x + 6
4x4 – 9x2 – 7x + 24
4x4 - 9x2 – 7x – 24

Bob’s bank charges him a $3.15 service fee every time he uses an out-of-network atm. if bob uses an out-of-network atm an average of three times every two weeks, how much will he pay in service fees over the course of a year? a. $327.60 b. $109.20 c. $491.40 d. $245.70 select the best answer from the choices provided a b c d

Arectangle has a width of 9 units and length of 40 units. what is the length of a diognal. a. 31 unitsb. 39 unitsc. 41 units d. 49 units

The floor of a building consists of 3000 tiles which are rhombus shaped and each of it's diagonals are 45 cm and 30 cm in length. find the total cost of polishing the floor, if the cost per m² is rs. 4.