What is an expression equivalent to 4d-4?

Factor the expression using gcf 9b+45

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

What is the measure of angle 1? a.28 b.152 c.168 d.64