Answer:
20 m
Step-by-step explanation:
The height of the ball in metres is given as:

where xis time, in seconds.
At the instant that the ball is thrown, the time is 0 seconds. This means that the height will be h(0):

The height of the ball is 20 metres.
Answer:
x = 14
Step-by-step explanation:
6x+x-8=6x+6
Combine like terms
7x -8 = 6x+6
Subtract 6x from each side
7x-6x-8=6x-6x+6
x-8 = 6
Add 8 to each side
x-8+8 = 6+8
x = 14
Answer:
percentage of the usual price is the savings
80×0.15=12
There are 30 days in April, so if you randomly pick a date in April there are 30 equally likely outcomes