Line M is represented by the following equation: x - y = 8 Which equation completes the system that is satisfied by the solution (18, 10)?

1) 2x - y = 26
2) x + y = 18
3) 2x - 2y = 36
4) x - y = -28

The measurement of one angle of a right triangle is 34°. what is the measurement of the third angle?

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?

100 points, hi, i’m not sure what to do here, the data doesn’t seem to be quadratic .? can anyone me, in advance