A 2-meter street sign casts a 3-meter shadow. At the same time, an 8.2 meter Aelephone pole casts a shadow. How long is the telephone pole's shadow?

(40 points) i need some . an answer definition is appreciated as well.

How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?