Answer:

Step-by-step explanation:
=> (x-1)(x-1)
<u><em>Using FOIL</em></u>
=> 
=> 
5^2 +12^2= diagonal^2
25+144=d^2
169= d^2
D= 13
Answer:
Multiply the divisor by a power of 10 to make it a whole number.
Multiply the dividend by the same power of 10. Place the decimal point in the quotient.
Divide the dividend by the whole-number divisor to find the quotient.
the percentage of pizza were mushroom was 1.5 %