Which expression is equivalent to -8 - 12

Find the sum to the equation 3+6+9+

Simplify 4 square root of 2 end root plus 7 square root of 2 end root minus 3 square root of 2 . (1 point) 2 square root of 8 8 square root of 2 8 square root of 6 6 square root of 8

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?