In the diagram, m∠coe = 55°. if m∠2 = 2x and m∠3 = x + 10, what is the measure of angle 2?

Find the value of the cosine for angle a

Which graph corresponds to the function f(x) = x2 + 4x – 1?

Liz is shipping a package to her friend.the maximum weight of a medium flat-rate box is 20 pounds,including the box which weighs 6 ounces.write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.