Solve 3(x + 5) = 2x + 35

step 1: 3x + 15 = 2x + 35

step 2: 5x + 15 = 35

step 3: 5x = 20

step 4: x = 4

which is the first incorrect step in the solution shown above?

Which fraction below is equivalent to 10/12?

Find the cosine function that is represented in the graph.

The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old