Question 4 From a length of rod 600 cm in length, 25 pieces are cut off, each 1 cm longer than the preceding piece. If the
rod is exactly use up, find the length of the first piece and the 'last piece​

Express the following as a function of a single angle, cos(60) cos(-20) - sin(60) sin(-20)

The table shows values for functions f(x) and g(x) . x f(x)=3x g(x)=2x+1 −2 19 −3 −1 13 −1 0 1 1 1 3 3 2 9 5 what is the solution to f(x)=g(x) ? select each correct answer.

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