Answer: D.) Variable
explanation: “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).”
Answer:
Step-by-step explanation:
Answer:
42
Step-by-step explanation:
hey 42+9=51 so this can be the ✔️answer
Answer:
36
Step-by-step explanation:
2*n = what the expression says.
2*18 = 36 is the answer to n = 18
Whatever value is given to n you just multiply it by 2.