The height of an arch is modeled by the equation y= -x2-6x+16 which of the following gives the width of the arch at its base?

Atriangle has side lengths of 15 inches and 30 inches. it also has angles that measure 45º and 20º. which of the following identifies the possible third angle of the triangle? a. 15 in., 65º b. 45 in., 65º c. 17 in., 115º d. 14 in., 115º

Given the conditional statement, match the following. conditional statement: if two lines intersect, then their intersection is one point.

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20