Answer:
Please see the attached file for the complete answer.
Step-by-step explanation:
If you travel at a constant speed, you follow this formula:

where s is the space traveled, v is the speed and t is the time passed. Knowing the speed and the desired space, we can solve the equation for the time:

Plug your values:

And two-thirds of an hour are 40 minutes.
To convert his speed in miles per minutes, you only need to use that one hour is composed of 60 minutes:
miles per minute
Answer:
20
Step-by-step explanation:
15+(-2)+7=13+7=20
Question 1 Simplify the following expression: (5x2 + 3x + 4) − (2x2 − 6x + 3). If the final answer is written in the form Ax2 + Bx + C, what is the value of B?
Solution:
5x^2 + 3x + 4 - 2x^2 + 6x - 3 = 3x^2 + 9x + 1
Then, B = 9 Hope this helped=)
Answer:
IQR=4
Step-by-step explanation: