-4x+y=-3 Find the slope and the y -intercept. Then use them to graph the line.

Points d and e are midpoints of the sides of triangle abc. the perimeter of the triangle is 48 units. what is the value of t? ο ο ο ο 7t +

The mean of a set of data is -3.82 and its standard deviation is 2.31. find the z score for a value of 3.99.

Abird on top of a 200 ft bridge tower sees a man standing on the lower part of the bridge (which is 50 ft above the ground). the angle of depression from the bird is 26 ̊. how far is the man from the base of the bridge tower? with explanation and pictures .