You deposited $500 in the bank at 6%, how would you use the Rule of 72 to find out how many years the money has to stay in the bank to be doubled? What about if you do not know the interest, but the numbers of years. Can you find the interest rate?

Successful implementation of a new system is based on three independent modules. module 1 works properly with probability 0.96. for modules 2 and 3, these probabilities equal 0.95 and 0.90. compute the probability that at least one of these three modules fails to work properly.

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?

Round each decimal to the nearest thousandth. a. 5.39562 b. 0.12345 c. 5634 d. 18.93763