Expand to get 35x^3+49x^2-20x-28
52 kilometers in 4 hours = 52 x 4 = 208 km in 4 hours
Total of 5 hours = 208 km + 62 km = 270 km
Average speed = 270 km / 5 hours = 54 km per hour
Answer
54 km per hour
Value 14 so it must be 55 or something
Answer:
-18
Step-by-step explanation:
-15+6=-9
the absolute value of -9 is 9
and 9*-2=-18
