Answer:
Step-by-step explanation:
a)
The mean for ground floor is 20.67
The mean for balcony is 15.8
b)
the difference between the means is ground floor - balcony
20.67 - 15.8 = 4.87
You can talk about it yourself for part c
It is 0.7283 in standard from
Option C
The standard form of the equation for y + 7 = -2/5(x - 10) is 2x + 5y = -15.
<u>Solution:</u>
Need to determine standard form of equation of line passing through points (-5, -1) and (10, -7) and having slope form as 
Standard form of equation of line is such that terms having variables are on left hand side and constant terms on right hand side.
So let’s simplify given slope form.

On opening the brackets we get

=> 5(y + 7) = -2x +20
=> 5y + 2x = 20 – 35
=> 2x +5y = -15
Hence the standard form is 2x + 5y = -15.
<span>First, subtract the estimated
tickets that will be sold from the actual tickets sold. 200 – 224 = -24, ignore
the negative sign, so the error is 24. Then, divide the error by the actual
ticket sold, 24/224= 0.1071 and multiply the answer by 100 to get the percentage.
So, the percentage error is 10.7%. </span>
Answer: -9m+-36
Step-by-step explanation: