Y is indirectly proportional to x. when y=7, x=9
a) work out an equation connecting y and x.
b) work out the value of y when x=21

The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old

Binh says the point of intersections is (0,-3) which statements identify the errors binh made , check all that apply

Use the second shift theorem to find the inverse laplace transform of (e^−3s) / (s^2 + 2s − 3)