Answer:
90 km an hour.
Step-by-step explanation:
im pretty sure you dont need exponents for this bud
3x-x-4x+4x
2x+0
2x
Answer:yes
Step-by-step explanation:
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.