7. Find the exact value of
a) cos (195)
b) csc (75)
Make sure to show each step

Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.

What are the coordinates of the image of p for a dilation with center (0, 0) and scale factor 2

If the perimeter of the square equals the perimeter of the regular pentagon. each side of a pentagon is 16cm long. how long is each side of the square?