Answer:

Step-by-step explanation:
We are given that
Distance traveled by a toy car

Where t>3
Time taken by car =t-3 seconds
We have to find the expression which represents the speed of the toy car.
We know that

Using the formula




Hence, the expression which represents the speed of the toy car

<span>Answer is about 12.85.</span>
Answer:
The answer is b) 14.7
Step-by-step explanation:
x/0.7 = 21
x = 21(0.7)
x = 14.7
Answer:
Step-by-step explanation: