Answer:
47.2 miles per hour
Step-by-step explanation:
472 miles/ 10 hours= 47.2
Answer:
<h2> 21 km </h2>
Step-by-step explanation:
If the bicyclist travels 7 km for every 5 minutes then it is directly proportional
5 min 7 km
15 min x

It can not be simplified anymore
Answer:
angle 9 measures 105 degrees
Step-by-step explanation:
measure of angle 8 is congruent to measure of angle 11 (alternate-interior angles are congruent)
measure of angle 11 is congruent to measure of angle 9 (corresponding angles are congruent)
therefore, measure of angle 8 = measure of angle 9