When a () is right next to a number such as the problem you have it means to multiply. so 77 times -1 equals -77. so i'm not sure why -77 isn't one of your answer choices. maybe you mistyped something?
Area of square = Side × side
= 1 6/7 × 1 6/7
= 3.45 square millimeters
Answer: multiply/ divide only one side by a non-zero constant
Step-by-step explanation:
3.75×18=67.50$ he would have 67.50$ in 18 week
