Answer:
yes
Step-by-step explanation:
note that 20% =
= 
Hence to find 20% of a number, dividing the number by 5 is correct
20% of £30 =
= £6
Answer:
G=7
Step-by-step explanation:
4(g-1)=24
4g-4=24
4g=28
g=7
So I think it is Dwat u think it is
9514 1404 393
Answer:
no
Step-by-step explanation:
It is close, but not exactly a right triangle.
If it were a right triangle, we would have ...
21² +70² = 73²
We have instead ...
441 +4900 ≠ 5329
5341 ≠ 5329 . . . . . . . . not a right triangle
if you want to solve it without a graph you're going to need to use the cubic formula, I'm unsure how else to solve it