One morning Annie stood straight in her yard and cast a 3-foot shadow on the level ground. Is the top of Annie's head is 5 feet from the tip of her Shadow ,how tall is Annie?

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.

In each of the cases that follow, the magnitude of a vector is given along with the counterclockwise angle it makes with the +x axis. use trigonometry to find the x and y components of the vector. also, sketch each vector approximately to scale to see if your calculated answers seem reasonable. (a) 50.0 n at 60.0°, (b) 75 m/ s at 5π/ 6 rad, (c) 254 lb at 325°, (d) 69 km at 1.1π rad.

The zoo collects $9.60 for every 24 tickets sold. how much will be collected for 400 tickets?