Which equation represents the table
3x-4y=20
3x-4y=-20
4x+3y=20
3x+4y=20

Add the fractions and simplify 1/2+ 1/3

The lengths of two sides of a triangle are 9 and 15. what can be said about the length of the third side? a. it must be greater than or equal to 6 and less than 24. b. it must be greater than or equal to 6 and at most 24. c. it must be greater than 6 and less than 24. d. it must be greater than 6 and at most 24.

Answer asap! due in 30 minutes! ! 8th grade math