The equation 2 x − 4 = 11 − x is solved as shown. Describe the inverse operations used in each step. Step 1: 2 x + x − 4 = 11 − x + x Step 2: 3 x − 4 + 4 = 11 + 4 Step 3: 3 x = 15 Step 4: 3 x 3 = 15 3 x = 5

It takes a total of 6 hours to fill up an inground backyard pool using a standard house. a function can represent this situation to represent the amount of water in the pool until it is full a function of time the hose is running. determine the domain for the function

Which of the following statement about pascal's triangle are true?

Is the square root of 4 plus the square root of 16 rational?