Answer:
2x + 15
Step-by-step explanation:
Twice of a number is just the number times 2; so, if x is a number, then twice x is 2x. The sum of 15 and a number is just the number plus 15; so, the final expression will be 2x + 15.
Hope this helps :)
6 1/5
Answer:true,true,false, true,false false
An.swer:
171.68