783 divided by 18 equal 43.5
The old mean was 51 now the mean is 42.33... (round that to 42) 51 - 42 = 9
To find this you would do 800 + 15x where x is the amount of years.
For 9 years it would be 800 + 15(9) which is 800 + 135.
At the end of 9 years, the apartment's rent would be $935. I hope that's utilities included because... yikes...
Answer:
it means that the roots of the quadratic equation is real and distinct and that means that 40 is a positive value
Answer:
fast doesn't need help you do
Step-by-step explanation: