50
what is the sum of the first four composite numbers?
19
20
27
28

C.27

Step-by-step explanation:

Composite number is a number that have factor other than 1 or the number itself. It is the opposite of prime number. Then to solve this question it will be easier to make this list

2= 2 *1 = prime

3= 3 *1 = prime

4= 2 *2 = composite

5= 5 *1 = prime

6= 2 *3 = composite

7= 7 *1 = prime

8= 2 *2 * 2 = composite

9= 3 *3 = composite

then 4 first composite is: 4+6+8+9= 27

26

step-by-step explanation:

- (2, -7)

- lines r and s and lines t and u must be parallel