Heres my homework 1) (3 + 2)(n+3)
2) (n-1)(2-2)
3) (2x + 3)(2x - 3)
4) (r + 1)(-3)

1. (3+2) (n+3)

= 5 (n+3)

=15n+3.

2. (n-1)(2-2)

= (n-1)0

=0

3. (2x + 3)(2x - 3)

= 4x^2 +6x -6x -9

=4x^2 -9

4. (r+1) (-3)

= -3r -3

the science club has 42 people and the robotics club has 33

step-by-step explanation:

these sign is used to tell weather the number is greater or less than the number   <   or >     but this sign means its equal =    

hope this you and

step-by-step explanation: