Could someone please help

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.

Determine the standard form of the equation of the line that passes through (-2,0) and (8,-5)

The construction of copying qpr is started below. the next step is to set the width of the compass to the length of ab. how does this step ensure that a new angle will be congruent to the original angle? by using compass take the measures of angle and draw the same arc according to it.