Oliver is designing a slide for a children's park. The slide makes an angle of 30° with the ground, and the peak height of the slide is 7 feet from the ground. What will be the length of the slide?
A.
7 feet
B.
12.12 feet
C.
14 feet
D.
8.08 feet

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