In how many ways can kelvin and kami each be randomy assigned to one of seven ski instructors? show work

How can you construct perpendicular lines and prove theorems about perpendicular lines

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.

Which equation shows the variable terms isolated on one side and the constant terms isolated on the other side for the equation -1/2x+3=4-1/4x? a. -1/4x=1 b. -3/4x=1 c. 7=1/4x d. 7=3/4x