Answer:
Step-by-step explanation:
Answer: 7,-7
Step-by-step explanation: 7 squared is 7 times 7 which equals 49
-7 times -7 is also 49 bc the negatives cancel each other out
The slope-intercept form:

m - slope
b - y-intercept
We have the slope m = 4 → 
and point (1, 6). Substitute:

<em>subtract 4 from both sides</em>

<h3>Answer: y = 4x + 2</h3>
I dont know of you wanted the graph too so here
everything is in the pictures here, also sorry if I am wrong
Answer: 0.3m/s
Step-by-step explanation:
Height/ velocity
3m/12m per sec
Time= 0.25metres per seconds
To the nearest tenth, 0.3m per seconds