What is the expression 3 fewer than k

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

Solve 2^x=32 and rewrite this equation in a logarithmic form

One of every 20 customers reports poor customer service on your company’s customer satisfaction survey. you have just created a new process that should cut the number of poor customer service complaints in half. what percentage of customers would you expect to report poor service after this process is implemented? 1.) 5% 2.) 10% 3.) 2% 4.) 2.5%