Ruth contributes 18% of the total cost of her individual health care. This is $67.50 deduction from each of her biweekly paychecks. What is the total value of her individual
coverage for the year?

Apinhole camera is made out of a light-tight box with a piece of film attached to one side and pinhole on the opposite side. the optimum diameter d(in millimeters) of the pinhole can be modeled by d=1.9[ (5.5 x 10^-4) l) ] ^1/2, where l is the length of the camera box (in millimeters). what is the optimum diameter for a pinhole camera if the camera box has a length of 10 centimeters

Calculate the average rate of change over the interval [1, 3] for the following function. f(x)=4(5)^x a. -260 b. 260 c. 240 d. -240

In the equation sqrt(n+5)-sqrt(11-10)=1. what is the value of n