Over what interval of time in minutes was the jogger heart rate changing at the constant rate

Solve |2x - 5| = 4 if anyone could , that would be great

What is the missing constant term in the perfect square that starts with x^2 -20x

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?