A savings account earns 5 percent simple interest per year the principle is 1200. what is the balance after four years. worth 25 points!

The hypotenuse of an isosceles right triangle is $14\sqrt 2$. what is the area of the triangle?

Sole with work in 10 years, the average number of hours of tv watched per week by teenagers dropped from 23.9 to 21.4. find the percent of change.

Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.