Which expressions are equivalent to x+x+x+2 ? 3x+2 3+2x none of the above pls how to do 'll mark as the

Jim is painting the inside of a circular helicopter pad. how many cans of paint would he need if the pad is 50 feet across and each can of paint covers about 200 ft2.

How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.

Which of the following scenarios demonstrates an exponential decay