The answer is C; it only really is seen in countries in the developing world.
(-1)(-7)=7
(7)(4)=28
So you just multiply -7 and -1 to get positive 7, because two negatives equal a positive when multiplying, then simply multiply 7 and 4 to get 28.
Answer: A. Massachusetts passed a law in 1852 requiring children to go to school
Explanation:
In 1852, the Bay State began requiring children between the ages of 8 and 14 to attend school. By 1918, every other state had passed similar legislation.
The states did not cooperate with each other
