1.use triangle abc to answer the following :
a ) find the value of x.
b ) compare the ratios for sin a and cos b. explain
c) what is the angle measure in degrees for angle a?

2. what are the inverse trig functions and their ratios?

3.using triangle dog to find the length of side og.

You will get 25 points an image of a rectangular prism is shown below: part a: a cross section of the prism is cut with a plane parallel to the base. what is the name of the shape created by the cross section? explain your answer. (5 points) part b: if a cross section of the prism is cut perpendicular to the base, what would be the shape of the resulting cross section? explain your answer. (5 points)

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

The brain volumes (cm cubed) of 50 brains vary from a low of 904 cm cubed to a high of 1488 cm cubed. use the range rule of thumb to estimate the standard deviation s and compare the result to the exact standard deviation of 175.5 cm cubed, assuming the estimate is accurate if it is within 15 cm cubed