What is the variable in the equation 30 -12 + 4 = d? OA:30 OB:4 OC:12 OD:d

The depth of a lake at a certain point, wich is a function of the distance of that point from shore, is 30 feet.

Long division the problem is 40 ➗ 348 = ?

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%