Combine like terms in the expression below
4x+4.84xy+21y+33y-11x+9.73

(note i put the graph in so plz )the graph shows the amount of water that remains in a barrel after it begins to leak. the variable x represents the number of days that have passed since the barrel was filled, and y represents the number of gallons of water that remain in the barrel. what is the slope of the line

If the discriminant if a quadratic equation is 4 which statement describes the roots?

Tan198=asin164=? how to solve this? ?