Jan saw 9 full moons in 252 days write the rate

Which expression gives you the distance between the points (5,1)and(9,-6)

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )