Factor the differences of a square problems and solve PLEASE
1.x^2-36=0

2.4x^2-25=0

3.9x^2-121=0

4.81-x^2

If you roll two fair dice (one black die and one white die), in how many ways can you obtain a 4 on at least one die?

Rena is building a 1: 180 scale model of a real castle. her model has a rectangular base that is 3 feet wide and 4 feet long what is the area of the base of the actual castle in square feet

If benito is selecting samples of five values from the table, which row will result in the greatest mean? population data row 1 4 2 2 3 3 row 2 3 3 4 3 2 row 3 2 4 3 4 3 row 4 3 4 4 7 3 row 1 row 2 r