a recent survey of 8000 high school students found that the main price of a prom dress is $195 with a standard deviation of $12

Neveah and clint are baking muffins for the bake sale. they need to bake 30 muffins for their display case. clint has baked 4 so far, and neveah has baked 7. how many muffins (m) do they have left to bake? show your work!

What are the solutions to the following equation? |m| = 8.5 the value of m is equal to 8.5 and because each distance from zero is 8.5.

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).