If x
=
4
and
y
=
6
, evaluate the following expression:
2
(
x
+
y
)

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.

How do the definitions, properties, and postulates you've learned about line segments, parallel lines, and angles to define the shapes of polygons

Aboard 60 in. long is cut two parts so that the longer piece is 5 times the shorter. what are the length of the two pieces?