HELP!!

Given f(x)= x^2 -3 and g(x)= x+2/x , find (g-f)(4). Show all work.

What is the length of the missing leg in this right triangle? 18 mm 24 mm 26 mm 32 mm

Secant ac and bd intersect at point e inside f what is the measure of aed if measurements cd equals 30 a b is 50 and cb is 170

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.