Answer:
The first is 12
The second is 25.35
Step-by-step explanation:
The second is confusing so sorry if I got that wrong
Please give brainelest
Answer:

Step-by-step explanation:
Let
h(t) ---> the height of an object in meters
t ----> the time in seconds
we have

For t=6 sec
substitute in the quadratic equation the value of t and solve for h


<span>if a = 2x and b = 1
(2x)</span>³+1³ = (2x+1)(4x²-2x+1)
I hope this helps
Answer:
x= 1, -1
Step-by-step explanation:
Gradient =2 because the slope is 2 units. Y-intercept = -2 because it crosses the y-line at -2.