Write
simplify (-2v20k)(5v8k? ) completely.
0 -10k4 116
o -10k? v16
o -40k4/10
0 -40k? v10
ht
done

Need showing work for this problem 56.25 ×25.80

Aremote-controlled boat can travel at 4 feet per second in calm water. the boat traveled 48 feet with the current, and then it traveled 16 feet against the current in the same amount of time. how fast is the current?

Line u passes through points (-52, -18) and (-29, 53). line v passes through points (90, 33) and (19, 56). are line u and line v parallel or perpendicular?