A weather forecast for a certain day in an area shows two measurements, 18 degrees Celsius and 25 degrees Celsius. What do these measurements indicate. pick A B C or D
A.The change in air pressure as you go higher
B.The change in air temperature as you go higher
C.The low and high air pressures
D.The low and high air temperatures

Speed of Zach = 16 mph

Sspeed of Warren = 16+7=23 mph

Step-by-step explanation:

Let x be the speed of Zach in mph , the speed of Warren will be x+7 mph.

Formula to find distance :-

Then, distance covered by  Zach in 7 hours =

Distance covered by Warren =  

Then, according to the question, we have

Hence, the speed of Zach = 16 mph

The speed of Warren = 16+7=23 mph