Please help me answer this question (and follow the instructions given in the parentheses please)

Use a scalar projection [NOT A FORMULA unless you derive that formula as part of your solution. This means you should not use the formula on page 830} to nd the shortest distance from the point {1, 3, 5) to the plane given by 2:I: + By z = 18 . Be sure to submita clear, complete, and detailed solution