Answer:
Runner B
Step-by-step explanation:
speed = distance ÷ time
Runner A: 1 ÷ 8 = 0.125m/ms
Runner B: 2 ÷ 10 = 0.2m/ms
Runner C: 3 ÷ 20 = 0.15m/ms
Runner D: 5 ÷ 30 = 0.17m/ms
Runner B has the highest speed so he is the fastest runner.
Answer:
right
Step-by-step explanation:
32/8=4
(m^5)(m^-3)=m^2
Answer:

Step-by-step explanation:
Substitute the value of the variable into the equation and simplify.
Answer:
n=5
Step-by-step explanation:
7n-4 = 31
+4 +4
7n = 35
/7 /7
n=5
There ya go, Hope, this helps