AddisonJohnson AddisonJohnson 27-10-2020 Mathematics contestada PLZZZZZZZZZZZZZZZZZ HELP ME WITH THIS IT DUE TODAY and explain PLZ!!!!!1.-(-½ )-3(-2)2.-20 ÷ (4 − (10 − 8)) 3. -(7-9)-2[-5-(-9)]Evaluate each expressions below.4.-3x8-2x7-8x95. 4[30-(10-2)x3]