2. one of the most common mutagens in
our environment, that we are exposed
to everyday we are outside in the
sunlight, is
o uv radiation
infrared radiation

answer: a.   one is a factor of every whole number since every number is divisible by itself.

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step-by-step explanation:

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.

144.50

step-by-step explanation:

21.5 x 13.4=288.10 divide by 2