You are dividing a number (x) by three and then subtracting 1 like this. (x/3)-1
It's D because 140÷3.50 is 40
H=-5(t^2 - 16t)
H=-5(t^2 - 16t +64)+320
H=-5(t-8)^2 +320
Vertex is at (8, 320)
The max height is 320 m.
Answer:
x < 6
Step-by-step explanation:
2x < 12
Divide both sides by 2;
x < 6
x is less than 6
