Last year the depth of the river was 4.2 feet deep. This year it dropped 5%.

Find the depth of the river this year to cross it.

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

Imogene invested $8,000 in a bank account that pays 8 percent simple interest at the end of each year. her friend invested the same amount in stocks where the growth of the investment is represented as 2,000 times the square root of 2 less than the time lapsed in years. if y1 and y2 represent the amount earned in dollars and t is the time lapsed in years, which system of equations correctly represents the situation?

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?