Ernesto brings his dog to training classes. The equation 260x 1 2y 2 120 5 0 relates y, the total cost of a pet’s training, and x, the number of classes taken. Ernesto states that the y-intercept of the line represented by the equation is 30. Is he correct? Explain your reasoning

Alake near the arctic circle is covered by a 222-meter-thick sheet of ice during the cold winter months. when spring arrives, the warm air gradually melts the ice, causing its thickness to decrease at a constant rate. after 333 weeks, the sheet is only 1.251.251, point, 25 meters thick. let s(t)s(t)s, left parenthesis, t, right parenthesis denote the ice sheet's thickness sss (measured in meters) as a function of time ttt (measured in weeks).

Need solving this second acceleration problem.

The marriott family bought a new apartment three years ago for $65,000. the apartment is now worth $86,515. assuming a steady rate of growth, what was the yearly rate of appreciation? what is the percent of the yearly rate of appreciation?