Answer:
280 hours
Step-by-step explanation:
Amount paid + profit = cost of a lesson per hour
$2000 + $5000 = $25(h)
7000 = 25h
7000/25 = h
280 = h
For this you have to get r by itself so you put 1 over 3 and move it to the other side and then you get 2/3 as an answer
Answer:
The domain is (negative infinity, infinity) the range is [3. Infinity) y>=3
Step-by-step explanation:
The domain for all quadratic functions are (Negative infinity, infinity)
The range is the output values of the function 3, to infinity
Answer:
1/5
Step-by-step explanation:
there are 5 groups
1. 1-9
2. 10-19
3.20-29
4.30-39
5.40-49
and 50
(2 - 5i) ( 2 + 5i) (i)
(4 + 10i -10i -25) (i)
(4 - 25) (i)
-21i
