What’s the answer to 19=3w+7

Do 12/14 and 8/10 have the same value? explain your answer.

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?

15 there is a line that includes the point 0,10 and has a slope of 7/4. what is it’s equation in slope intercept form