I need to know the slope and y-intercept of lines a. y=5/3x - 4
b. y= -4/7x + 3
c. y= -5

An astronaut drops a rock into a crater on the moon. the distance, d(t), in meters, the rock travels after t seconds can be modeled by the function d(t)0.82. what is the average speed, in meters per second, of the rock between 5 and 10 seconds after it was dropped?

Does the point (1, sqrt 7) lie on circle shown.

Formulate alisha has a number in mind. if she adds three to her number the result is less than five. use this information to write and solve an inequality about alisha's number. then graph the solution set.