20 ! and brainiest

which of the following sets of events are dependent?

there may be more than one correct answer. select all that apply.

1. flipping a coin and getting heads, then picking a card that is an ace

2.drawing a card from a deck, and drawing another card after returning the first one to the deck

3. drawing a card from a deck, and drawing another card without returning the first one

4. rolling a die a first time, then rolling the die a second time to get a sum of 7

5.flipping a coin and getting a heads, then flipping it again and getting tails

1and2

Step-by-step explanation:

flipping flipping a coin and getting a Ace has no direct correlation

if you draw a card from a deck it should not have an effect on the next card you pick if you put it back before you draw the next card

75 tickets have been sold so far.

step-by-step explanation:

in this question it is clearly mentioned that 45 children's tickets have been sold and this number is 60% of the total tickets sold.

now let's assume the total number of tickets sold be x.

then 60% of x = 45

⇒

⇒ x(.6) = 45

by dividing with .6 on both the sides of the equation

⇒ x = 75

therefore 75 tickets have been sold so far.

is should be y = 5x

step-by-step explanation:

correct me if im wrong