Callie thinks of a number. she adds 6 to the number, multiplies the result by 2, and then subtracts 4. the number she ends up with is 46. what number did callie start with?

Find an equation of the line perpendicular to the graph.

Arectangle with an area of 47 m² is dilated by a factor of 7. what is the area of the dilated rectangle? enter your answer in the box. do not leave your answer as a fraction.

The ratio of rock songs to dance songs on jonathan’s mp3 player is 5: 6. the total number of rock and dance songs jonathan has is between 101 120. how many rock songs does he have?