What is the least common denominator of 3/4 , 4/5, 2/3

Which equation requires the division property of equality to be solved?

Which graph represents the following piecewise defined function?

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.