The snowfall total two years ago was 10.2 inches. last years was 20% grater. what’s last years snowfall total

Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x

Which of the following represents the factorization of the trinomial below? x^2+7x-30

70 points ! pls 2. given the following two sets of data what is the union of the two sets and what is the intersection of the two sets. set a = {1, 2, 3, 4, 5, 6, 7, 8, 9} set b = {2, 4, 6, 8, 10, 12, 14} 3. given a regular deck of cards. describe a way of pulling cards that would create a dependent event and then one that would create an independent event. 4. what is the probability of drawing a red card and then drawing a spade without replacing the card that was drawn first?