Answer:
y=2/3x+5
Step-by-step explanation:
to find the slope you subtract the y's from each other, and the x's from each other then put the y over the x, bam that's the slope. the y intercept is 5 cause the point is (0,5)
Answer:
3/10
Step-by-step explanation:

The surface is the sun of all the sides. With the information provide I can only work out the volume, which is 420cm^3
Second side= x
First side = 2x
Third side = x+5
x+2x+x+5=49
4x=44
x=11
1st side= 22
2nd side = 11
3rd side = 16