Abcde is reflected across the x-axis to form a'b'c'd'e'. then a'b'c'd'e' is dilated by a scale factor of 0.5 about d' to form polygon lmnop. vertices a and b correspond to l and m, respectively. if the length of ab is 2.2, what is the length of lm?

What is the value of x when x + 7 = 21?

Drag the tiles to the correct boxes to complete the pairs. not all tiles will be used. match each division expression with the correct quotient.

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? )