If a layer has no objects on it, you can see below to the objects on the layer beneath it.
Answer the following statement true (T) or false (F)
True
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Analyze the following code.
``` // Program 1 public class Test { public static void main(String[] args) { Object a1 = new A(); Object a2 = new A(); System.out.println(((A)a1).equals((A)a2)); } } class A { int x; public boolean equals(A a) { return this.x == a.x; } } // Program 2 public class Test { public static void main(String[] args) { A a1 = new A(); A a2 = new A(); System.out.println(a1.equals(a2)); } } class A { int x; public boolean equals(A a) { return this.x == a.x; } }``` a. Program 1 displays true and Program 2 displays true b. Program 1 displays false and Program 2 displays true c. Program 1 displays true and Program 2 displays false d. Program 1 displays false and Program 2 displays false
Cosmic objects emit different types of energy, known as _________________ radiation.
Fill in the blank(s) with the appropriate word(s).
Case 3-1Ari is learning how to write arithmetic expressions in Java.Ari uses the expression (15 + 9) / (3 + 1) * 2 to yield the value ____.
A. 3 B. 12 C. 20 D. The expression is not valid
Before using Scenario Manager, you should assign _______ to all the input and result cells you intend to use in your scenarios.
A. cells B. names C. ranges D. ranks