15.4 seconds = 0.00428 hours and 100 meters = 0.062 miles soo the student ran approximately 14.5 mph
Answer:

Step-by-step explanation:
To solve this problem, we can use the area of a circle formula:

<em>A = area</em>
<em>r = radius</em>
Lets plug the values into the equation:
Calculate 
Multiply
and 9 together

The area of the truck wheel is 
Answer:

Step-by-step explanation:
9^-5 = 9^4 x 9^-9
4-9 = -5
Answer:
yes
Step-by-step explanation:
Use substitution method
3(2)+14=2(10)
6+14=20
20=20
Hope this helps. Have a nice day you amazing bean child.
Answer:
Speed of boat in still water is 26km/hr
Step-by-step explanation:
Let the speed of boat in still water be x and speed of stream by y.
Speed at which it went upstream would be (x-y) and the speed at which it went downstream would be (x+y). According to question x+y=24 and x-y=28. x=26 and y=-2.