The sail of a boat is in the shape of a right triangle. Which expression shows the height, in meters, of the sail? 2(sin 40°)
sine 40 degrees over 2
2(tan 40°)
tangent 40 degrees over 2

Jackson drew 4 hearts and 29 circles. what is the ratio of circles to all shapes?

1. during first 10 seconds 2. between 10 seconds and 35 seconds 3. during 35 seconds to 40 seconds

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?