Simplifying expression 4x^2 - 5x+ 9x^2 - 12x A.- 4x
B. 5x^2– 7x
C. 13x^2- 17x
D.5x^2 + 17x

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?

In the diagram, points d and e are marked by drawing arcs of equal size centered at b such that the arcs intersect ba and bc. then, intersecting arcs of equal size are drawn centered at points d and e. point p is located at the intersection of these arcs. based on this construction, m , and m

If 1.4% of the mass of a human body is calcium, how many kilograms of calcium are there in a 165-pound man? 1.0 kg ca 5.1 kg ca 1.0 x 102 kg ca 5.1 x 102 kg ca