Put points a, b, c, and d on a line consecutively, so that ab = bc = cd = 6 in. find the distance between points m and n, the midpoints of segments ab and cd respectively.

Δabc is dilated by a scale factor of 3 with the origin as the center of dilation to form δa′b′c′. the slope of is -1.2. the length of is p units, the length of is q units, and the length of is r units. the slope of is . the length of is units.

Which of the following represents the range of the graph of f(x) below

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