Answer:
(-1, -3) and (1, 1)
Step-by-step explanation:
Use a graphing calculator to graph out both lines:
(See picture)
Both lines intersect at points (-1, -3) and (1, 1). These are the solutions for the system of equations.
Answer:
1.9%.
Step-by-step explanation:
Answer:
720 divided by 90
Step-by-step explanation:
72 divided by 9 is 8. 720 divided by 9 is 80 because you're keeping the 0, but when dividing, take away the zeros if both numbers have a zero to make it easier
Answer:
7 miles
Step-by-step explanation:
Four miles plus 3 miles = 7 miles
Answer:
7
Step-by-step explanation:
The triplets are seven years old, I can't clearly see the bottom part but I hope that help!