Determine the equation of the axis of symmetry of a parabola that passes through points (2, 7) and (4, 7).
a) x = -2
b) x = 3
c) x = -3
d) x = 1

Write the expression in simplified radical form. show all steps and work including any foil method work. (hint: use the conjugate. no decimal answers.) (9-2√3)/(12+√3)

Reinel saves 30% of every pay check. his paycheck last week was 560$. how much did reniel save last week?

The ratio of the perimeters of two similar triangles is 4: 3. what are the areas of these triangles if the sum of their areas is 130cm2?