Geometry

difference

statistics

Radius
radius

perimeter or circumference The only answer is perimeter. The circumference is the the perimeter of a circle; the distance around a circle.

numeral

variable

A cylinder

The quotient. In the problem 7 / 2 = 3 (+1) The 7 is the "dividend"; the 2 is the "divisor": the 3 is the "quotient" and the 1 is the "remainder".

It is a pentagon

Surface area

square

is an arc.

A graph of some kind, which could be a line graph, a bar chart, a pie chat, a pictogram, etc.

extremes

Income

A rectangle or a square.

polygon

sphere

The range is the difference between the greatest and least numbers.

27 cubic inches.

a bisect or bisector,

overhead

If you quote a concentration 'x' as so many parts per hundred, then that number does represent hundredths. It's just a fraction, x/100

ranking

correct answer is numerical order

A segment with end points on a circle is a chord.

Two lines cross or intersect at a point.

COMPASS

One hundredth of a gram is 10 milligrams.

Default

Security is freedom from, or resilience against, the potential harm caused by others. Beneficiaries of security may be of persons and social groups, objects and institutions, ecosystems, or any other entity or phenomenon vulnerable to unwanted change.