Answer:
12m^2+14m
Step-by-step explanation:
The "^means exponet" Hope I made your day
:)
Answer: x=15
Answer: x=15
.......
Answer:


Step-by-step explanation:
Given

Solving (a): Equation when it hits the ground.
This means that 
So, we have:


Solving (b): The value of t in (a)

Using quadratic formula, we have:

This gives:




Split



Time can't be negative; So:

B. 12/18
Upon simplifying this fraction (taking a 3 out of the numerator and denominator), you end with 4/6