The following running track is made of two semicircles with 50 yd diameter at either end of a rectangle with 155 yd length. Find the distance around the track. Round your answer to the nearest tenths. (Take \large \pi=3.14)

Which of the following could be the graph of the equation y = -2x + 5

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?

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?