A lighthouse is sitting on a small island in the ocean. I measure the angle in the ocean. I measure the angle of elevation of the top of the lighthouse as 42.5 degrees. I walk 50 feet towards the lighthouse and now measure the angle of elevation as 51 degrees. Find the height of the lighthouse.

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c

Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost pounds less than times the pounds he lost the first week. the third week, he lost 1 pound more than of the pounds he lost the first week. liam started a weight-loss program when luke did. the first week, he lost 1 pound less than times the pounds luke lost the first week. the second week, he lost 4 pounds less than times the pounds luke lost the first week. the third week, he lost pound more than times the pounds luke lost the first week.