Which expression has a negative value?
7-31-4/2)
(15-7)-(9:3)
0-517+(-14) ]- 30

9/10 divide by -3/15 as a mixed number

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.

Acompany made a profit of 75000 over a period of 6 years on an initial investment of 15000 what is the annual roi