Answer:
3x+ -1
Step-by-step explanation:
-x-2x= -x+ -2x
-x+ -2x= -3x
1-2= -1
Hope this helps
There is not enough information to answer this question. You didn't put the picture down to support the question.
The care has gone 60m in 12 seconds
Answer:
C
Step-by-step explanation:
By tracing the figure, we see that we go around a semicricle twice and go in a straight path twice. So the perimeter of this figure consists of two semicircles and two line segments, hence the answer is C.