What is the slope for 9x+4y=8 in decimal form?

The difference of 2 numbers is 21 and the quotient of the equation is 4 then what are the two numbers?

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

: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?