Answer:
-3/2
Step-by-step explanation:
y2-y1/x2-x1
7-4/3-5
3/-2
-3/2
$\implies d=kv^2$
substitute the given values, $5=k(10)^2\implies k=\frac1{20}$
now, $d=\frac{1}{20}\times( 70)^2=\frac{70\times70}{20}=245$
A big blunder from my side, now fixed!
X-9= -6
What is X