There are seven girls and five boys in a room. everyone's name is put in a hat and one name is chosen. what are the chances that a girl's name is chosen?
5 out of 12
7 out of 5
1 out of 12
7 out of 12

Which of the following is the true for f(x) = 5cos

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?

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.