Question

Please do both questions...
And don't spam

Answer 1

hope it helps you alot

best of luck

keep rocking :) :)

Answer 2

Hello Friend

The answer of u r question is

$x = \frac{sigmafi \: xi}{sigmafi}$

$18 = \frac{585 + 20}{40 + k}$

$= 67.5$

Thank you