Answer:
[-4/5]×3/7×15/16×[-14/9]= 1/2
Step-by-step explanation:
hope this helps :)
Answer:
variable, In algebra, a symbol (usually a letter) standing in for an unknown numerical value in an equation. Commonly used variables include x and y (real-number unknowns), z (complex-number unknowns), t (time), r (radius), and s (arc length).
