It is 14! You double the seven! Like 7 + 7= 14 is the same as 2x7= 14!! How come you asked this question?
Five out of seven times two out of seven = 5/7 x 2/7 = 10/49
Seven squared times two cubed is equal to 392.
Seven minus negative two times negative 4 is equal to -1
it is 504
3.5
454
Nine times thirty-seven minus two hundred ninety is equal to 43.
1404
864
7/5
30
9x5x7.2= 324