The model represents an equation. What value of x makes the equation true?

The complement of an angle is one-sixth the measure of the supplement of the angle. what is the measure of the complement angle?

Can someone me with this graph problem by the way i need to know the answers by today since this assignment is due ! !

Amotorboat maintained a constant speed of 12 miles per hour relative to the water in going 45 miles upstream and then returning. the total time for the trip was 8.0 hours. use this information to find the speed of the current.