Please help! Find the monthly growth rate as a percentage given this exponential function: f(t)=5,400(1.021)^t​

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b

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?