How many solutions does the equation have? x+2x+3+3 = 3(x+2)

Tree diagram to find the prime factors of 18

Each of the walls of a room with square dimensions has been built with two pieces of sheetrock, a smaller one and a larger one. the length of all the smaller ones is the same and is stored in the variable small. similarly, the length of all the larger ones is the same and is stored in the variable large. write a single expression whose value is the total area of this room. do not use any method invocations.

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7