What happens to unwanted athenian and spartan babies?

Which of the following expressions is equivalent to -1/4y - 2 1/4 + 1/2 (4-2y)? a. -3y + 2b. -3 1/2+4c. -4 1/2y+2d. -4 1/2y+2show ur work

The magnitude of an earthquake is typically calculated according to the scale.           a. mercalli   b. fujita   c. richter   d. saffir-simpson  

Circle the letter of the sentence that describes how a fault-block mountain is created. a. it is created by two normal faults b. it is created by two reverse faults c. it is created by a strike-slip fault d. it is created by shearing