The answer should be A. If you need work I can show you.
Answer:
21+3x
Step-by-step explanation:
Expand this:
3(7+x)
So it becomes:
21+3x
Answer:
C
Step-by-step explanation:
Answer:
What's the difference between a number track and a number line? A number track is a sequence of numbers, each inside its own square. ... Whereas, a number line is where the numbers are attached to markers on a line. This method of addition / subtraction comes later.
Answer:
3x(4x+5y)
Step-by-step explanation:
and yh.........
