Which algebraic expressions are polynomials Check all that apply
2x3 - 1/x
X3y - 3x2 + 6x
Y2 + 5y - [tex]4x\sqrt
2 - [tex]X6\sqrt{x}[
-x[tex]6\sqrt{x}
-1/3x2 - 1/2x2 + 1/4

Consider the system: y = 3x + 5 y = ax + b what values for a and b make the system inconsistent? what values for a and b make the system consistent and dependent? explain

Reflect the point (7,0) across the y-axis

Some boys and girls were asked if they had a pet. one third of the group were boys. there were 20 boys. 20% of the girls had a pet. boys with a pet : girls with a pet = 1 : 5 i need to know how many girls there are.