Answer:
7/10
Step-by-step explanation:
You can change 1/2 and 1/5 to have common denominators, which are 5/10 and 2/10.
1. its 23, because if you were to substitute 5 for x, 7(5) = 35 and if you were to substitute -3 for y, 4(-3) = -12. Therefore, 35 + -12 = 23.
Answer:
D. 
Step-by-step explanation:
We can use a process of elimination in order to easily solve this.
The shape of
will be two diagonal lines that meet at (0,0)
Will be an upside down parabola
Will be a line with a slope of -1.
This means that the answer must be D
Answer:
7
Step-by-step explanation:
The median is the middle value of the data set arranged in ascending order.
If there is no exact value then it is the average of the values either side of the middle.
Arrange the data in ascending order
1, 4, 6, 8, 8, 9
The middle is between 6 and 8, thus
median =
=
= 7