Plz help (btw any answers that are not related to my question will be reported and try to show your work pls.)

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.

M.xyz =radians. covert this radian measure to its equivalent measure in degrees.

Jake bakes and sell apple pies. he sells each pie for $5.75 . the materials to make the pies cost $40. the boxes jake puts the pies in cost & 12.50 total. how many pies does jake need to sell to earn a profit of $50