Frank borrowed money from a credit union for 3 years and was charged simple interest at an annual rate of 8%. The total interest that he paid was $1680. How much money did he borrow?

Cindy uses 1-inch cubes to find the volume of a jewelry box shaped like a rectangular prism. she uses 780 cubes to completely fill the jewelry box with no gaps or overlaps. if the jewelry box is 13 inches long and 5 inches wide, how tall is cindy’s jewelry box?

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.

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.