How many four digit numbers can be formed from the digits 123456 if no digit may be repeated in a number?

Given: ∆mop p∆mop =12+4 3 m∠p = 90°, m∠m = 60° find: mp, mo

(x-5)1/2+5=2 what is a possible solution?

A6 ounce bottle of dressing costs $1.56 a 14 ounce bottle costs $3.36 a 20 ounce bottle costs $5.60 which has the lowest cost per ounce