Answer:
x=-1,y=1
Step-by-step explanation:
x+y=0
x-y+2=0
Therefore 0=x+y
x-y+2=x+y
2y=2
y=1
x+1=0
x=-1
Answer
55 for the top left and 35 for the top right
Explanation
7*7+6=49+6=55
And it is 7x+6
Top right
6x-7
6*7-7=42-7=35
Answer:
7.64 miles/week
Step-by-step explanation:
there are 5280 feet in a mile
and 10080 minutes in a week
so it's
4 * 10080 / 5280
the two big numbers where just gougled
Step-by-step explanation:
∠W and ∠Z are supplementary