Answer:
Runners that decrease times are not improving
Step-by-step explanation:
P (A and B) = P(A) * P(B)...answer is D
29.75/8.5=x/4.5
using the "butterfly method"
8.5x=133.875
/8.5 /8.5
x=15.75
You have to make a proportion
Do you have notes so I can look at them to help you? Cause I pretty good at math but I need the notes.
No: 6(-5) +5 = 5(-5) +8 + 2(-5)
-30 + 5 = =25 + 8 - 10
-25 ≠ -27
