Answer:
B
Step-by-step explanation:
y=n(x+5)(x-3)
or y=n(x²-3x+5x-15)
or y=n(x²+2x-15)
=n(x²+2x+1-1-15)
=n(x+1)²-16n
y -coordinate of vertex=-16n
Answer:
g=5
Step-by-step explanation:
8g-3g=35-10
5g=25
g=5

Distance between the places is :
Time taken to cover that distance is :
Average speed of the cyclist will be :
Avg speed = 20 km / h
Answer:
He can run 112 yards in 12 seconds
Step-by-step explanation:
Here, we want to know the number of yards he can run in 12 seconds
From the question, we are told that his running rate is 38 yards in 4 seconds
So the number of yards he can run in 12 seconds will be;
38 * 12/4
= 38 * 3 = 114 yards
Step-by-step explanation:
2x+9=9
+9. +9
2x = 18
x = 6
not really sure but I tried at least