the average age of 16 girls in a class is 13years, a girl of 16years is added to the group. what is the total age of the group?​

Answer this question! 30 points and brainliest! only if you know the answer.

Can someone me with these two circle theorem questions asap?

Need match the functions with correct transformation. f(x) = -3x f(x) = |x-1|+3 f(x) = √(x+3) 1/2x² f(x) = (x+1)²-3 4|x| 1. compress by a factor of 1/2 2. stretch by a factor of 4 3. shift to the left 3 4. shift to the left 1 5. shift up 3 6. reflection