The answer would be 20.
How?
7 + 9 = 16
16 + 4 = 20
Answer:

Step-by-step explanation:

3y= 5x-2
so the slope is 5/3
Answer:
The answer is 21
Step-by-step explanation: You substitue 3 for C and 4 for D and craete the equation
so you add 3+4=7 and you get
which is 7 times 3 =21
Answer:
Step-by-step explanation:
A(-5,-4) B(-3, 3)
(-5 + -3)/2 = -8/2= -4
(-4 + 3)/2 = -1/2
(-4, -1/2) the midpoint