In triangle ABC, what is the measure of B if a = 20, b = 15, and c = 19? Round the answer to the nearest hundredth.

The function ƒ is defined by ƒ(x) = (x + 3)(x + 1). the graph of ƒ in the xy-plane is a parabola. which interval contains the x-coordinate of the vertex of the graph of ƒ?

Need 50 will mark brainliest answer. find the lengths of all the sides and the measures of the angles.

Alogical argument that is presented in graphical form using boxes and arrows is called?