Answer:
3 3
6 9
9 15
12 21
Step-by-step explanation:
For the time add 3 each time
For the distance add 6 each time
X+y=-1
3x-y=21
add them equations
x+y=-1
<u>3x-y=21 +</u>
4x+0y=20
4x=20
divide by 4
x=5
x+y=-1
5+y=-1
minus 5 both sides
y=-6
(x,y)
(5,-6)
D is answer
Answer:
not quite sure the specifc answer of this question at this time
Step-by-step explanation:
Answer:
V=14
Step-by-step explanation:
3v=42 divide both sides by 3. getting v=14
Proportional because there is no + x at the end<span />
