A banker wants to set up an account where a client will put in $600 in an account and earn 3% interest every year. Then at the end of three years, the client will add another $200 to the account. What function represents this scenario. A) 600*(1.03)*x + 200 B) 200*(1.03)*x + 600. C) 600*(0.03)*x + 200 D) 200*(0.03)*x + 600​

Solve with work both bert and ernie received an increase in their weekly salaries. bert's salary increased from $520 to $520. ernie's salary went from $580 to $645. find the percent of increase for each salary. what was the larger of the two percents ?

What is the value of x when x + 7 = 21?

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