Area is length x width, so you count the squares on the bottom and sides and multiply the numbers.
Answer:
Yes, (-6,-38) is a coordinate pair off the equation
Step-by-step explanation:
Plug y=7x+4 into your graphic caculator
press 2ND, GRAPH and scroll up to see the point.
Answer:
False
True
False
False
Step-by-step explanation:
The fastest way to do this is to plug it in and check.
-31≠15
15=15
-28≠15
38≠15
Answer: 20 minutes
Step-by-step explanation:
30000= 900x+12000
18000=900x
20=x