Which of the following is the equation of a line perpendicular to the line y=-3/2x+4 passing through the point (3,9)

What values of c and d make the equation true?

Cassie is traveling 675 miles today to visit her brother and his family. so far, she has stopped for gas three times. at the first stop, she put in 7.1 gallons of gas and paid $23.79. at her second stop, she put in 5.8 gallons of gas and paid $19.08. and, at the third stop, 6.6 gallons and paid $20.39. at which stop did casey pay the most for gas?

Use the graph of the sine function y=2sinθ shown below