Answer:
Lara's average speed :
average speed = total distance / total time
=> 8 miles / 2.5 hours
=> 3.2 mph
Tim's average speed :
= total distance / total time
= 12 miles / 3.5 hours
= 3.43 mph
therefore,
Tim's average speed (3.43 mph) is greater.
sorry don't speak Spanish
Alex = No B.
Step-by-step explanation:
1) Use Quotient Rule:
2) Simplify 1 - 3 = 2
3) Use Negative Power Rule:
y = 50x + 25
y = mx + b