Answer: Choice A
The number line graph is visually showing every number that is 19 or smaller; hence 
Note the use of a closed or filled in circle at the endpoint (in contrast to an open circle). This indicates we are including the endpoint 19 as part of the solution set, and that's why we go for "or equal to" as part of the inequality sign.
Answer:
-21
Step-by-step explanation:
1-2+4-8+16-32
=-21
The answer is 3588 if you multiply 46 x 78 you get 3588
Answer:
Factor: Something which is multiplied by something else. A factor can be a number, variable, term, or a longer expression. For example, the expression 7x(y+3) has three factors: 7 , x , and (y+3) .
A and D are correct. If u don't know why look up the definitions of the triangles
