Can someone help me solve
(5x^2+3x+4)-(2x^2+5x-1)

Factor the expression using the gcf. the expression 21m−49n factored using the gcf

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

1: 4 if the wew 35 surfboards at the beach how many were short boards?