Mark's dad is three times older than Mark. Mark's sister is 2 years younger than Mark. The sum of their ages is 48. How old are Mark, his sister, and his dad?

Im literally having a mental breakdown

Secant ac and bd intersect at point e inside f what is the measure of aed if measurements cd equals 30 a b is 50 and cb is 170

Describe the end behavior of the function below. f(x)=(2/3)^x-2 a. as x increases, f(x) approaches infinity. b. as x decreases, f(x) approaches 2. c. as x increases, f(x) approaches -2. d. as x decreases, f(x) approaches negative infinity.