If a and
bare nonzero real numbers, and
= 19, then what is the value of?

Beth divided 9 ounces of her granola recipe into 4 equal-sized amounts. she placed the amounts into individual bowls. the fraction 9/4 represents the number of ounces of granola in each bowl. which other number represents the amount of granola beth has in each bowl? (a) 1 1/4 (b) 2 1/4 (c) 1 3/4 (d) 3 3/4 i need !

Find the solution to this system 2,1 1,-2 1,2 -1,2

Akindergarten class has 9 girls and 11 boys in class.what percent of the class are girlsit rain