(10 POINTS) answer ASAP if you can. Marshall models the data with the equation y = -1.5x + 121, where x represents
the number of minutes spent watching television and y represents the number of
minutes spent exercising.

What are the meanings of the slope and the y-intercept for Marshall's model
equation?

Select the two that apply.

M. For every additional minute spent watching television, the number of minutes
spent exercising decreases by 1.5.

P. For every additional minute spent exercising, the number of minutes spent
watching television decreases by 1.5.

R. For every additional minute spent exercising, the number of minutes spent
watching television increases by 1.5.

S. If a student watches no television, the model predicts that the student will
exercise for 121 minutes.

T. If a student exercises for more than 80 minutes, the model predicts that the
student will not watch television