El area de cada sector del circulo es proporcional a la frecuencia que se quiere mostrar

Diane’s bank is offering 5% interest, compounded monthly. if diane invests $10,500 and wants $20,000 when she withdrawals, how long should she keep her money in for? round to the nearest tenth of a year.

The graph of f(x) = |x| is transformed to g(x) = |x + 11| - 7. on which interval is the function decreasing?

Charlie tosses five coins. what is the probability that all five coins will land tails up.