Find the LCM of the set of algebraic expressions. 20×2, 35xy, 28y

From the transtemporal window at a depth of 55–75 mm the Doppler signal has the following flow velocity pulse wave images in reference to the zero line of reference. Based on the information given, what is represented by the image? 

Which best describes the waveform pattern noted in the image?

Find the LCM of the set of algebraic expressions: 6×2, 8xy, 18y

If a fraction has a numerator that is equal to or larger than the denominator, it is a/an _________(blank) fraction.

When interpreting SQL code, which of the following is the most basic interpretation?

To use an expert system, the person using the system needs to know the steps of the reasoning process that leads to the answer.

Your friend, a pharmacist, uses a computerized information system that stores knowledge and makes inferences/recommendations concerning drug interactions. Your friend is using a(n):

Briefly describe how the ArrayList class differs from a plain array in Java. Mention at least two differences.

29.  Consider the following inheritance example: class Animal {    public void speak() {        System.out.println(“Animal speaks”);    }} class Dog extends Animal {    @Override    public void speak() {        System.out.println(“Dog barks”);    }} public class Test {    public static void main(String[] args) {        Animal a = new Dog();        a.speak();    }}What is the output? ____________