Which are the roots of the quadratic function f(q)=q^2-125

Zoe placed colored blocks on a scale in science class. each block weighed 0.8 ounces. the total weight of all the colored blocks was 12.8 ounces. how many blocks did zoe place on the scale? write and solve an equation to find the answer.

X-10/4 when x = –18 a 7 b –2 c –7 d 2

Graph a point. start at your origin, move left 10 units, and then move up three units which ordered pair is the point you graphed