The matrix A is given below. Find values for variables a, b, c, and d that make det(A) = 0.
5 – 8 6 2a-b
-4 9 1 2b-d
-7 -5 -9 3a-c
-6 0 3 d+4

The “rule of 72” is used to approximate the time required for prices to double due to inflation. if the inflation rate is r%, then the rule of 72 estimates that prices will double in 72/r years. for instance, at an inflation rate of 6%, prices double in about 72/6 or 12 years. write a program to test the accuracy of this rule. for each interest rate from 1% to 20%, the program should display the rounded value of 72/r and the actual number of years required for prices to double at an r% inflation rate. (assume prices increase at the end of each year.)

What are the different components of the cloud architecture?

Universal windows platform is designed for which windows 10 version?