The product of two multiples of ten will always have at least how many zeros

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]

If you have a set of parallel lines a and b cut by transversal x, if angle 1 = 167 degrees, what is angle 4 and why. also what is the measure of angle 5 and why? you need to use the names of the angle relationship and explain.