What is the approximate perimeter of a semicircle with a radius of 9mm?
use pi as 3.14.
express your final answer to the nearest hundredth.

Sara can take no more than 22 pounds of luggage on a trip.her suitcase weighs 112 ounces.how many more pounds can she pack without going over the limit?

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.