Decide if each pair of expressions is EQUIVALENT or NOT EQUIVALENT. Drag each pair of expressions from the left to the correct category on the right.
6(-4t + 5) and -2(15 - 12t)
1/5 (20t−15) and 4t - 34t−3
1.5−2t and 0.25(8 - 6t)
−3(t−7+5t+8) and -18t-3

The evening newspaper is delivered at a random time between 5: 30 and 6: 30 pm. dinner is at a random time between 6: 00 and 7: 00 pm. each spinner is spun 30 times and the newspaper arrived 19 times before dinner. determine the experimental probability of the newspaper arriving before dinner.