A. Whole numbers from 0 to 10
The domain is composed of all x value on the graph. Every point is on a whole number for x.
answer is D
Explamation:
given points are (7,9) and (12,11)

therefore the mid point is (9.5,10)
The cube root of 81 is 4.32674871092
2/3 hour is 40 minutes. 1 3/4 hour is 1 hour and 45 minutes. So she spent 1 hour and 5 minutes or 1 1/12 hour longer doing homework.
(B) x = 40
Step-by-step explanation:
4x + 20 = 180
4x = 160
x = 40