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
I think the answer is 6t=9
No ❤️ hahaha i can’t see anything
Answer:
add all the angles
Step-by-step explanation:
140+82+78
X in less than or equal to 4.5. it is this because 32 is the least number of miles per gallon. 144/32=4.5.
