a semicircular window has a diameter of 24 inches. to
w has a diameter of 24 inches. lou wants to insert a laminated sun-block
coating that costs $1.50 per square inch to apply. how
ou per square inch to apply. how much will lou spend to coat the
window with sun-block? round to the nearest cent.

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236